When driving a car, there are two things that the driver uses regularly: listening to music, talking on the phone. At the same time, making calls while holding the receiver to the ear is prohibited by law, and switching tunes on the radio or searching for a radio wave quite distracts the driver from driving the car, which can lead to emergency consequences. In order to solve these problems, you can install Bluetoothadapter for car.
Using Hands Free
In order to call back on a mobile phone or receive a call, of course, you can use the Hands Free device, which also works using Bluetooth technology.
In this case, the driver may experience several inconveniences:
- when there is an incoming call, without being distracted by your cell phone, there is no way to find out who exactly is calling (of course, there are phones that can communicate information about the incoming subscriber by voice, but this function is not implemented in all mobile phones);
- will not be reduced, and if it sounds quite loud, the driver will definitely have to manually reduce it;
- Some Hands Free devices are not made of the highest quality, which can affect the response to a call, and if the fastening is poor, it may even fall when you move your head.
Application of Bluetooth speakerphone
Many car enthusiasts install a speakerphone to be able to easily receive calls and increase (decrease) the volume. This device also works using Bluetooth wireless technology. It is placed either near the cigarette lighter so that uninterruptible power is connected to it, or near the sun visor. The second method is still more acceptable, because the driver again does not have to look down and constantly monitor roadway. However, you should not forget about recharging it.
However, this device is not able to solve some problems that are similar to Hands Free, namely:
- the subscriber who is trying to call will be unknown;
- The volume of the car radio will have to be turned up if it sounds quite loud;
- Outgoing calls can only be made using a mobile phone.
Hands Free and Bluetooth speakerphones are similar in their functionality, but some car enthusiasts are not satisfied with them due to the above-mentioned shortcomings.
Installing a Bluetooth module
This solution will solve a number of problems that cannot be solved by any other additional devices. And although the installation itself may cause certain difficulties, the driver will clearly appreciate all the advantages of this device.
The Bluetooth module is connected directly to the car radio. At the same time, before purchasing, ask whether this device is compatible with the radio. The fact is that most car enthusiasts use car radios that were equipped directly from the factory, and they may not be a completely new model and the ability to connect to other devices will not be available.
After installation, the panel will display a digital display, remote control or keyboard, with which you can receive information and control connected devices. Now the driver can easily understand who is calling him directly. When making a call, the sound of the car radio will automatically decrease to the optimal level. The interlocutor's voice will come directly from the audio system. But many drivers say that such communication is not always acceptable, because it is impossible to ensure the confidentiality of the call and all passengers will hear the dialogue.
Due to the fact that most models have RSAP, SIM card data and other settings, for example, the GSM module, of the smartphone are copied, and all the functions of the mobile are performed by the Bluetooth module, and the mobile device goes into standby mode, which helps to significantly save battery power .
When choosing a Bluetooth module model, you must immediately pay attention to the compatibility of the model with your phone and the installed car radio. If you don’t speak English well, choose the model that has a Russian-language interface; besides, this will automatically eliminate the question of whether contacts and entries in Cyrillic will be displayed correctly.
You should not pay attention to fairly cheap models; it is better to overpay, but be able to update the device to the latest versions. Technologies are improving every year and without flashing and updates, a Bluetooth module without updates will quickly become outdated and the car enthusiast will already be faced with the question of replacing it with a newer model.
This device has the most stable signal. It connects using an audio or USB connector. Based on the principle of operation, the Bluetooth AUX adapter resembles an adapter that provides direct connection between the radio and mobile devices. Now the driver will be able to turn on music located on his phone or tablet, as well as exchange information between several devices that support Bluetooth technology.
But when connecting and using a Bluetooth AUX adapter, you need to take into account that the connector will be constantly occupied. And the cost of such a device is quite high.
conclusions
The use of any Bluetooth wireless technology will provide the driver with a comfortable ride. The connection will virtually always be stable and continuous, because there are no walls or obstacles inside the car that would dampen the signal. The choice depends only on the car enthusiast himself, as well as on his financial capabilities. It is not always possible to install a Bluetooth module, which is more like a full-fledged computer capable of performing many tasks. But at the same time, you can use other wireless devices that will provide comfort and also help avoid getting into emergency situations.
A Bluetooth adapter for a car is a means of communication between gadgets. It is very convenient to use while driving. Bluetooth technology allows the driver to communicate using a mobile phone without holding it in his hands during a conversation. From a security point of view, the adapter is a useful device.
What is this
A Bluetooth adapter for a car performs many functions. Thanks to wireless communication technology, it is possible to display content from other electronic devices. A car is an excellent place for distributing Bluetooth and transferring files, since the range is limited to the interior and there is no interference. There are several types of Bluetooth adapters that are designed to free the driver’s hands from the phone.
- Personal headset. This adapter is also called a “clip”. It attaches to the ear. The headset is not technically tied to the car, so it is used everywhere. This device has pros and cons. The advantages include a good microphone, but the disadvantages include the inability to see information about the caller.
- Speakerphone. Made in the form of a monoblock. It has a microphone, control buttons and a speaker. The gadget is placed in the cigarette lighter socket or on the sun visor. The disadvantages of a speakerphone include the lack of confidentiality of the conversation: if there are passengers in the cabin, everyone can hear the conversation.
- Module built into the radio. Adapter paired with the car's audio system. The module has a display, so the driver can see who is calling the phone. The Bluetooth adapter for the car is equipped with RSAP technology. In terms of functionality, it is one of the best.
These wireless devices are used not only for communicating on the phone, but also for playing text and music using the car audio system.
What is it needed for
What is the purpose of a Bluetooth AUX adapter for a car? The main function of this device is to act as an intermediary between digital audio content carriers and the audio system. A wireless adapter is required to pair with a mobile phone. This allows the driver to control the car during calls and conversations. The device performs its main function - security. In addition, using the adapter, you can listen to music, send and receive files, and exchange media with passengers without the need for distractions.
How does it work
What is the principle of operation of a Bluetooth adapter for a car? The USB device is wireless and interfaces with all electronic devices that support the Bluetooth function. After turning on the adapter, information is exchanged with the audio system using the adapter. The connection signal is sent via Bluetooth to a compatible device. The adapter is configured via a smartphone.
Bluetooth adapters are used not only for communicating on the phone while driving, but also for playing music through the car audio system. This applies to cases when the front panel of the car has a radio without a module and a USB connector, but there is an AUX input. The device is easily installed in a car, connected to the audio output, and powered from the cigarette lighter.
Peculiarities
The Bluetooth adapter for car radio is a compact multifunctional device. Its main advantages include compactness, stable signal, versatility (works with car radios that have an audio output). The sound works without interruptions, high quality transmission of information. The objective disadvantages of adapters include the relatively high cost of some models. In addition, the device almost always occupies the audio output connector of the radio. Despite the disadvantages, adapters are modern and very necessary devices for organizing wireless communication in a car.
For example, Bluetooth AUX is considered one of the most stable connections. Essentially, this is an adapter that uses analog input radio and is powered via a USB port. A diagnostic Bluetooth adapter for a car is used for professional purposes to check the operation of the car. This is a kind of scanner that can work on the go and connects to any device that has a USB connector. Diagnostics are carried out using a tablet, smartphone or computer. They work using a combined transmission protocol; the adapters are suitable for almost all domestic and European cars.
Criterias of choice
Which Bluetooth adapter should you choose? Most of these gadgets are universal and compatible with almost all car models. If you want to choose the right device, check out some tips:
- First of all, the device system must ideally match the mobile phone;
- make sure that the screen displays Cyrillic;
- for a correctly selected adapter, the system displays not only the number, but also other subscriber data (first name, last name);
- It is desirable that the gadget has a voice dialing function;
- possibility of software updating.
The compatibility of the Bluetooth adapter for the car radio with the car and telephone must be absolute. Otherwise, the smartphone may become unusable. At the time of purchase, please ensure that the box states compatibility with mobile devices. If it says “single-platform model,” this does not exclude a conflict with the phone. The adapter must support Russian and Cyrillic, otherwise setting up the display will be problematic. The system of a correctly selected wireless unit displays the number and other information about the caller without any problems. In addition, it should have an update function. When setting up the adapter, do not disable the authentication function. If you choose this modern device correctly and configure it correctly, its owner will only benefit.
Prices
How much does a Bluetooth AUX adapter for a car cost? These are inexpensive gadgets, so every driver can afford them. The price depends on the model, brand and purpose. Adapters cost an average of 500 rubles, but there are cheaper and more expensive devices. For example, diagnostic ones are not budget ones. Their cost can exceed two thousand rubles.
When going on a business trip by car, there are often times when the radio stops working somewhere in the forest. And there are times when you just want to listen to something you love. For a long time now, no one has been recording discs into their cars; they mostly use flash drives. I’m too lazy to transfer music to a flash drive. But there is always music on the phone. Therefore, you can connect it to the radio via USB or an audio cable. But how tired of all these vines on the windshield that power the phone, the recorder, the navigator! If you agree with me, then I ask further.
In general, I want to remove all the wires from the review windshield in car. I started by running the wire from the recorder into the ceiling. The next step I want to make wireless charging in the phone holder (so it doesn’t just sit there). Well, as an intermediate step I decided to get rid of the wires to the radio. There are 2 options:
- FM transmitter that plugs into the phone's headphone jack
- Bluetooth Music Receiver
I considered the FM transmitter when I didn’t yet know about the second option. But I didn’t take it because it needs to be constantly recharged. I also didn’t want to constantly insert it into the headphone jack (firstly, so as to loosen the jack less, and secondly, so that I could just put the phone down and listen to music, or vice versa, pick up the phone and not pull anything out of it).
One day, after reading, and then, I realized that this was the most suitable option for my needs. But I wanted something more compact and so as not to have to farm anything. This is what I wanted and went in search. I found 2 similar devices: and the culprit of the review. And if in the first device everything is clear - it is powered by usb and transmits sound to the AUX radio (this option suits me, since there is both USB and AUX), then with the second everything is not so clear - there is usb, but there are 3.5mm jacks for no sound. But since the price is cheap, I decided to satisfy my curiosity and ordered this one.
For lovers of packaging and delivery information
Packed modestly, but this did not prevent the goods from reaching me safely. Sent by the buyer the next day after purchase, it arrived in 3 weeks. 
Specification from the site
Size: about 6cm x 2cm x 0.8cm
Bluetooth Specification: V2.1
Supported profiles: A2DP, AVRCP
The receiver distance: about 10m (without Block)
Color: Blue, Red
Having received it and unpacked it, I immediately began testing it.
The first thing I tested was, of course, the radio in the car (that’s what I actually bought it for). I inserted it into the USB socket, the “flash drive” blinked and immediately started playing the first record bt-music.mp3 (looking ahead, I’ll say that there are 6 such recordings on the “flash drive” itself), but there was silence in the speakers and the radio automatically switched back to the radio. I turned on bluetooth on my smartphone and searched for devices. I found BT_DONGLE and paired (for some reason it didn’t work on the first try). After that, I launched the standard Android 4.2 audio player and started playing music. The radio immediately switched to the USB device and the long-awaited sound came from the speakers. True, the sound delay for me is about 5-6 seconds (the phone plays the song, but the radio skips these 5-6 seconds). When switching songs on the phone, the same thing happens. If the songs come one after another, then there is no pause.
Of course, I was going to manage the playlist from my phone, but I discovered a pleasant surprise - when I pressed the next/previous track on the radio, the song switched in the playlist. It’s not a problem even if another application is currently active on the smartphone - the songs are still switched.
But I also found some drawback in this function - if you go somewhere with the phone, and the “flash drive” continues to work, then when you press the next/prev buttons on the radio, only the last few songs are switched in a circle. But this is easy to fix - just pull out and put back this device.
When I was choosing which bluetooth receiver to buy, I noticed a hole in the case for a microphone (this was the reason for my curiosity in this device), I thought that if it worked out, I would make bluetooth-handsfree from the radio. It didn’t work out - the phone switched to a Bluetooth headset when calling, but the interlocutor never heard me (I only heard belated beeps in the speakers). “Well, okay,” I thought, “I didn’t buy it for that.”
IN general principle The operation of this device is simple:
1. The transmitter (phone, computer) sends sound as to a headset
2. This “flash drive” receives sound and writes it to the file bt-music.mp3
3. The player treats this receiver as a regular USB drive and plays files from it.
When everything became more or less clear with the car radio, I began to think, where else can I play music from a flash drive? Well, of course on the computer. The big piece of hardware discovered 2 new devices, one of which turned out to be a removable disk, and for the second he could not find a driver. 
Inside the flash drive there are 6 audio files (sometimes all 6 mp3, and sometimes 3 mp3 and 3 wav - I don’t understand why yet). First I tried to play it in VLC - there is still the same delay of 6 seconds, sometimes several milliseconds of the song are “swallowed”. When switching to the next track, nothing happens.
Windows Media Player behaved exactly the same. Media Player Classic refused to play anything at all.
If you stop playing music from the transmitting device (stop or pause), then after a while (about 10 seconds) the flash drive is removed from the computer. The same thing happens when the device is inserted into the radio. When the music continues to play, the flash drive is inserted into the USB again.
Thus, we come to the conclusion that listening to songs on a computer through this “miracle” seems possible, but is not desirable - I’d rather connect the phone to the computer via a cable and listen that way. Although there is such a possibility.
Then I remembered that my wife has a portable speaker that can read USB drives. It's her turn to be a test subject))
I stuck the “flash drive” into the speaker, a “tydyn” sound was heard (similar to how a USB is plugged into a computer) and music immediately began to play. The surprise was that there was no delay!!! Absolutely none! As soon as I press the button, the song switches.
The next/prev buttons also work. Play/pause performs the role of Mute, i.e. The sound on the speaker stops, but the song is still playing on the smartphone.
I bought the speaker in China a couple of years ago. It seems that the Chinese device is only normally friendly with the Chinese))
In general, that's all, I'll sum it up.
Minuses:
- there may be delays in playback (depending on the receiving device)
- a USB port is required for playback (may not be available on all music centers)
Pros:
+ Does not require recharging or additional charge. power (powered by USB port)
+ There is no need to plug in anything additional, there are no wires
+ Easy to use (paired with your phone and that’s it!)
A general impression I had a positive experience with this device - it fulfills all my expected needs. Therefore, I advise others to buy.
P.S.: this is my first review, so if something is missing, or you have suggestions for testing the device, write, I will add it. I haven’t made a video yet, because I shoot on my phone, and it doesn’t know how to shoot and play back at the same time.
Bluetooth, as a means of communication between digital devices, is very convenient in a car. This technology allows the driver to communicate via mobile communications without being distracted from driving. vehicle, which is important from a safety point of view. And complaints from the road patrol service regarding the use of a mobile phone while driving are now excluded.
The use of Bluetooth in a car is not limited to this. The technology makes it possible to display content from mobile phones, tablets, and laptops to the built-in audio system. Passengers can send files to each other from their devices. The car is the perfect place for Bluetooth. The range here is small and limited to the interior. The radio signal travels without obstacles. There is no interference. User devices are located nearby and can be easily combined. Equipment and adapters can be placed anywhere in the car, right up to the trunk or hood.
Bluetooth & Hand free
Today, there are several options for freeing the driver’s hands and eyes from a mobile phone using “blue-tooth” technology.
1. Personal Bluetooth headset. It is also called a “clip” or “earring”. Fits on any ear. Sometimes combined with glasses. Technically it is not tied to the car and can be used outside of it. 
A driver using a Bluetooth headset is not constrained in his movements. Passengers cannot hear his interlocutor. Unfortunately, that's where the advantages end. Now about the inconveniences. You need to know them too.
- the headset does not display information about the caller, you have to press a button and answer “blindly”;
- It is impossible to dial a phone number or select a subscriber from a list in the headset, with the exception of rare models with a voice dialing function;
- The car radio volume does not decrease during a call
If you still choose a Bluetooth headset, it is recommended to consider the following when purchasing. First of all, the device should sit comfortably in the ear. It is necessary that the clip is placed firmly enough and does not fall out during sudden movements of the head. It is desirable that it has enough weight to feel its loss. The buttons should be conveniently located and easy to press. Of course, the headset must be fully compatible with the phone. The driver would especially benefit from the built-in DSP processor, which increases speech intelligibility and suppresses noise.
2. Bluetooth speakerphone. Made like a monoblock. Has a speaker, microphone, control buttons. Regular placement locations: cigarette lighter socket or sun visor. In the first case, there are no problems with nutrition. But the driver every now and then leans towards the microphone or looks at the device buttons, and this is fraught with consequences. The option with a visor is safer. And the microphone and speaker are located closer, and the buttons are in the driver’s field of vision. Unless the batteries need to be recharged periodically. 
Like a Bluetooth headset, the speakerphone cannot identify incoming calls.
Peculiarities. First of all, the driver is faced with the fact that the content of the conversation is available to passengers. In some cases this is convenient, in others it is dangerous. It's not the same for everybody. The adapter can also pair with multiple phones at the same time.
3. Bluetooth module built into the car radio. This adapter becomes a headache for many. But if it is correctly selected and properly configured, a “phantom” of a mobile phone seems to come to life in the car. The car's own audio system is used to output sound. The volume of audio playing when a call arrives is muted for the duration of the call. Thanks to the presence of the display, the driver and passengers see who is calling (as with sound, this is not always good). Now you can scroll through your contact list or enter a number. The remote control is used for this remote control or keyboard. 
From the point of view of completeness of service capabilities, the integrated adapter is the best. Especially if it contains an RSAP profile. Being equipped with this technology, when the car's ignition is turned on, the Bluetooth adapter directly accesses the phone's SIM card and copies the network settings from it. The car takes over its main functions. The GSM module in the mobile phone turns off, the phone turns off and goes into battery saving mode. At first, such a “sudden death” of a mobile phone even frightens inexperienced users. Some tips for choosing the right adapter.
- First of all, the purchased system must be fully compatible with the specific model of mobile phone that will be used. “Full compatibility” assumes that the mobile phone model is directly stated in the specifications for the device. The phrase “single-platform model” should not be trusted.
- You should make sure that the display displays Cyrillic.
- It is necessary to determine whether the system can display not only the number, but also other data of the subscriber making an incoming call.
- Is there voice dialing? If so, is it tied to the intonation of the operator's voice?
- An important factor when choosing an adapter is the ability to update its software. This is due to the fact that the mobile phone paired with it can be replaced due to loss or acquisition of a new, more advanced model. Quite often this led to system inoperability.
We must warn you that sometimes, so to speak, an annoying misunderstanding arises. This is when a newly purchased car has a standard audio system without a Bluetooth module. This system It is an integral part of the front panel and cannot be modified in any way. It is better to avoid this situation from the very beginning: at the stage of ordering a car, you need to indicate the mandatory presence of a Bluetooth adapter with specific parameters.
About information security. Authentication for new connections can be annoying, but you can't turn it off. Unauthorized access must be completely excluded! Otherwise, the telephone address book data may “float away”. Or the adapter will take on a life of its own and start calling paid services, send messages with infected files. By the way, the presence of such processes may be indicated by an unexpectedly rapid discharge of the battery.
Many owners of older generations of radios, and let’s face it, many new ones (for example, in VOLKSWAGEN), do not have the ability to connect a flash drive to a standard head unit. That is, it is there, but USB or SD, often they don’t even have AUX outputs! For example, “FOLTZ” can supply you with another radio, but for money, and you will have to pay a decent amount! Guys, I urge all manufacturers to wake up, the 21st century is here, and you are charging money for functions that will soon be standard on bicycles! Well, you can’t do that. Okay, this is a cry from the heart, but there will always be justice for such “cunning” manufacturers - it’s called USB adapter for a radio, that’s what I suggest you talk about today...
Now, probably many will think - yes, these Bluetooth adapters have already been used, it’s all bullshit because the sound transmitted through such an adapter is simply terrible.
Guys, calm down – we’re not talking about Bluetooth, although it’s still possible to use it as a “crutch” for a radio. For those who do not know what the nightmare is, a small educational program.
Why is it bad?
Let me list it quickly for general understanding:
- It takes up the cigarette lighter, in order to connect other gadgets (radar detector, DVR) you need to buy a splitter, and this is already a “pile up”.
- It doesn't look very aesthetically pleasing and is easy to touch with your hand.
- The main disadvantage is the transmitted sound. You know, it is essentially transmitted over a radio channel and the quality suffers from this, even if you record it on mp3 with a high bitrate (quality), then the quality that will be played through the speakers is not as high - it feels like it has been compressed with worse quality.
In general, the bluetooth adapter is a crutch; of course it won’t let you “sleep”, but it won’t let you enjoy it either high-quality sound won't allow it either. Therefore, this is not our method; we need to look for others.
Other head unit
I would also like to write a few lines about this. Of course you can “score” and put another head device with a color display, USB and SD, navigation, and much more. Moreover, it can be connected to the standard buttons on the steering wheel and controlled.
But here’s one problem – the cost can simply go through the roof. Personally, I myself also thought about changing my radio and installing it with a color display - but damn, the price tag ranges from 25 to 45,000 rubles! Not a lot, but I still want a budget solution. Let's dig further.
If your hands are in the right place
You know, there are people who are “YOU” with technology. They understand radio tape recorders - they can easily solder them on computers, etc. Personally, I had this experience - when the standard radio old Toyota The Corollas soldered a USB adapter into the board, and it was made manually - then they simply put it in the glove compartment and used the flash drive.
But there are a lot of BUTs here:
- It’s difficult to do it yourself
- You need to have a good understanding of car electrical systems
- You can burn the board and, accordingly, the radio, and the cost of even an old factory one will be prohibitive
Again, just “problems” are not our method, so is there no way out? Calmly he is.
USB adapter
I don’t have a task to advertise any product, and there are just a ton of them now. The thing is that everything has already been invented before us. You can, or rather, install a special adapter into the standard head unit, which will give you the opportunity to use various outputs, all popular ones (USB, SD, AUX).
How it works
- The most important thing is that you don’t need to go inside the radio or take the cigarette lighter. You simply remove your standard device and pull out the cable cable.
- Then you need to insert a special adapter between the connector from the radio and the wire connector; this adapter has an output for connecting a USB adapter.
- You hide the adapter itself anywhere in the cabin, glove compartment, etc. But it seems to me that the glove compartment is 100% suitable for this.
- After this, we install the radio in place.
- Now you have outputs for flash drives and other devices.
Moreover, managing tracks from a flash drive is possible standard buttons on the steering wheel.
Subtleties in settings
You need to understand that this is a kind of emulation for the radio, it “thinks” it is reading a CD, but in fact it is USB. So the flash drive must be properly prepared.
To do this, six folders with numbers are created on it, which should be named “CD”. That is, “CD1”, “CD2”, “CD3”, etc. You can already add music to the seventh folder “CD7”, only then will it start playing. If these folders are not there, then playing tracks is not possible!
pros
Needless to say, there are just a lot of them.
- Easy installation, even a girl can do it.
- Often, old radios can no longer play discs, this happens because the laser burns out (becomes weak), so stuttering begins, long searches for tracks, etc., this will not happen with a flash drive by default.
- Easy to record and play, discs are still an almost disposable thing that still needs to be burned on a computer. I uploaded it to USB in a few minutes, inserted it into the port and enjoy.
- The purity of the sound is incomparable to Bluetooth, whatever quality you put in, that’s what will be played - just a huge plus.
- Doesn't take up space in the cigarette lighter.
- You don't have to change the stock radio.
Some advantages: you can breathe life into the old head system. Now, you probably have a question on your mind: what is the cost? If we talk about the price, it is also tolerable:
Only with USB - approximately 2000 - 2500 rubles.
With USB, SD and AUX – 2500 – 4000 rubles.
Available for all cars - TOYOTA, FORD, VOLKSWAGEN, MAZDA, etc.
I think 2000 is a normal price, don’t go to a pub with friends on Friday and buy it!
