It’s hard to know which is good auxiliary bluetooth adapter. There are alot of auxiliary bluetooth adapter reviews on internet. In this article we suggest top 10 the best auxiliary bluetooth adapter for you. Please read carefully and choose what is the best auxiliary bluetooth adapter for you.

Best auxiliary bluetooth adapter

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Best auxiliary bluetooth adapter buying guide

We understand that you may have tons of questions when you are going to buy auxiliary bluetooth adapter:

  • What is the best auxiliary bluetooth adapter for 2020, for 2019 or even 2018 (old models)?
  • What is the best auxiliary bluetooth adapter to buy?
  • Where I can find top rated auxiliary bluetooth adapter?
  • or even What is the best affordable (best budget, best cheap or even best expensive!!!) auxiliary bluetooth adapter?…

All of these above questions make you crazy whenever coming up with them. We know your feelings because we used to be in this weird situation when searching for auxiliary bluetooth adapter.

Before deciding to buy any auxiliary bluetooth adapter, make sure you research and read carefully the buying guide somewhere else from trusted sources. We will not repeat it here to save your time.

You will know how you should choose auxiliary bluetooth adapter and What you should consider when buying the auxiliary bluetooth adapter and Where to Buy or Purchase the auxiliary bluetooth adapter. Just consider our rankings above as a suggestion. The final choice is yours.

That’s why we use Big Data and AI to solve the issue. We use our own invented, special algorithms to generate lists of the best brands auxiliary bluetooth adapter.

You could see the top 10 auxiliary bluetooth adapter of 2020 below. The lists of best products are updated regularly, so you can be sure that the information provided is up-to-date.


1. Handsfree Call Car Charger,Wireless Bluetooth FM Transmitter Radio Receiver,Mp3 Music Stereo Adapter,Dual USB Port Charger Compatible for All Smartphones,Samsung Galaxy,LG,HTC,etc.


DUAL USB CAR CHARGER : 2 USB charging port to charge most USB devices.Input 12v/24v,1A port with USB reading and charge function;smart 3.1 A charge port which can intelligently identify android or iPhone devices and charging.
BLUETOOTH AND MORE COMPATIBILITY : Wireless Bluetooth FM transmitter adapter for car radio/cassette,Transfer Calling / MP3 Music / Cellphone Voices to car radio speaker.(FM range from 87.5 to 108 Mhz). 5% every hour low power consumption when use bluetooth play music. Mobile navigation,Voice broadcast . Compatible for iPad,iPhone 8,x,7/ 7 Plus, 6s/ 6s plus, 6/ 6 Plus,Samsung Galaxy ,Google,LG,HTC Huawei Smartphones and device with Bluetooth.
HANDS FREE FUNCTION : Built-in Microphone,Switch to Hands-free mode automatically from music playing status when receiving calls.Answer/Reject/Hand up/Recall all in one key.
CAR BATTERY VOLTAGE FUNCTION : Show 3 seconds voltage when plug into the cigarette port.Always keep battery state of health.Then it turn to automatic play mode.
MUSIC PLAYING FUNCTION : Support Bluetooth Music/ USB Disk/ TF Card / MP3/WMA player. With anti-interference performance and noise suppression (CVC) technology.Listening to music while charging.Automatically connect memorized paired when power on.12-month worry-free Guarantee!


Bluetooth Handsfree Car Charger,FM Transmitter&Music adapter,3.1A Dual USB Port
1.Dual USB :
One is 1A, can charge small screen cellphone,camera and read USB data.Please use pure charge line when use this one charging.
Another is 3.1A, can charge for ipad, big screen cellphone etc.
Input voltage: 12-24V,Output voltage : Max 5V DC/3.1A

2.Frequency Connect:
The device FM frequency is 87.5-108MHz.Please turn car radio channels to one of Frequency 87.5-108.0Mhz.Then plug the device, make sure the car charger keeps the same frequency to the car radio channels:

1.Choose an blank and clear channel in the car audio.
2.Long press the FM transmitter answer key until the LED display flashing.
3.Turning the answer knob adjust the same channel at FM transmitter.
4.Short press the answer key to fix the channel.
5.Connect phone bluetooth or insert the USB/TF card, FM Transmitter will start to play.
Please repeat above steps if has noise interference in the radio.

3.Bluetooth Function :

1.Power on the device, there is a prompt voice : Bluetooth is ready to pair.
2.Turn on smart phone Bluetooth search the name of HY82.
3.After connected, there is a prompt voice Bluetooth connected successfully.
4.Bluetooth function can transfer music from phone to car speakers or answer phone handsfree.

4.Music Function: Please noted the priority play sequence is Bluetooth>TF card>USB

5.Car Battery Voltage Function : For 12V /24V car, voltage display of car battery under 11.5V /23.1V or higher than 14.9V/27.3V means car battery issue.

1.Weight :45G
2.Screen : LED
3.Support TF card/ USB:32GB
.Working condition:0-60 degree
5.Transmitting distance :< = 5 meter

Package inlucde:
1 x Car Charger
1 x Manual

Warranty:45 days money-back and 12-month, worry-free Guarantee

2. Mpow BH129 Bluetooth Receiver for Car Hands-Free Calls, Better Music Quality with CSR Chip,15 Hours Long Playing Time Bluetooth Adapter,1 Second Turn On/Off Button Car Kits,Dual Link,Voice Assistant


QUICK CHARGING TECHNOLOGY: Mpow Bluetooth receiver features a quick-turnaround that gives you 2 HOURS PLAYING TIME from a 5-MINUTE CHARGING. Please note: Use the 5V standard adapter to charge your Mpow
1 SECOND SWITCHING BUTTON: Mpow Bluetooth car aux adapter designed with PHYSICAL ON/OFF SWITCH & HUMANIZED WIDENED VOLUME/TRACK BUTTON on the side for quick and convenient control for your hands-free talking and listening experience
DOUBLE CONNECTIVITY: Mpow can connect 2 Bluetooth kits at the same time for enjoying music and not miss any calls. Reliable Bluetooth CSR 4.1 brings faster and more stable connectivity, available up to 33 feet Bluetooth signal
11 HOURS CONSTANT AUDIO STREAMING MPOW: Built-in rechargeable battery provides up to 120 HOURS STANDBY TIME & 11 HOURS AUDIO FEAST after fully charged for only 45 MINUTES.
WIDE COMPATIBILITY RECEIVER: Stream stereo music wirelessly through most home audio systems, car stereo system, and wired headphones from Bluetooth enabled devices like smartphones, tablets, MP3 players, etc.(HFP/HSP/A2DP/AVRCP/CVC6.0).


Wirelessly Transmit Music Anywhere & Anytime:
Bluetooth 4.1 delivers clear, distortion-free digital audio to wired headphones, speakers up to 33 feet away.
Enjoy crisp wireless tunes when you are on the road or at home, or simply when you want to keep the entertainment for yourself only.

Talk in Clarity and Convenience:
Built-in microphone and multi-point technology allows you to listen to your music and no more worry about missing any calls.

Automatically Re-connection:
When the Bluetooth function of a mobile phone is ON, Mpow will connect with the last mobile phone or computer automatically.

Bluetooth Version:V4.1
Frequency Range:2.4GHz
Output Power Category: Class 2
Bluetooth Mode: HFP/HSP/A2DP/AVRCP
Bluetooth Range: Up to 33 feet
Power Supply: Li-Po 180mAh
Bluetooth Receiver Operating Time: About 11 hours
Charge Voltage: DC 5.0V

1. Please use 5V standard charger to charge Mpow Bluetooth receiver. Do not use quick charger/ flash charger/ fast charger with output voltage over 5V.
2. Mpow will auto-off if it is disconnected for 10 minutes to save energy.

Package Included:
Mpow Bluetooth Receiver 1
3.5mm Audio Cable 1
3.5 mm Metal Audio Adapter 1
Charging Cable 1
User Manual 1

3. Mpow BH298A Bluetooth Receiver, Bluetooth Audio Adapter with Bluetooth 5.0 for Music Streaming, Wireless Bluetooth Receiver with Handsfree Calls, Siri Google Assistant, for Car/Home Stereo System


EXCELLENT PERFORMANCE: Upgraded Bluetooth 5.0 and CSR core technology can make the signal transmission more stable and faster. And the Bluetooth signal range of music is up to 66 feet while the phone call is 33 feet.
16 HOURS LONG-LASTING BATTERY: The built-in lithium battery with large capacity provides up to 16 Hours of nonstop music streaming, or phone call and only needs 2 hours for full charge. (All data are obtained in laboratory environment.)
FASHIONABLE & COMPACT DESIGN: Mpow Bluetooth 5.0 wireless receiver is designed with ON/OFF slider switch and a new adapter, which is more suitable for AUX car. The unique white loop LED light and arc-cut surface is soft and fashionable.
BUILT-IN MICPHONE: You can realize hand-free calling or voice-navigation just by pressing the button, which is safer for driving. And the conversation quality is better with CSR chip.
DUAL LINK & AUTO-RECONNECTION: The Bluetooth receiver supports simultaneous connection of 2 Bluetooth mobile phones, sharing with your families and friends. You just plug, pair and play, it will reconnect automatically next time.


It is time to turn your old wired devices into wireless ones with upgraded MPOW Bluetooth receiver, enjoying your wireless life freely!

Premium Sound Quality:
MPOW Bluetooth receiver uses updated wireless technology to adapt audio systems, which is featured with Bluetooth 5.0 and CSR core for premium sound quality and stable transmission. The small and lightweight device enables you to enjoy clear music freely and wirelessly.

Wide Compatibility:
Compatible with iPhone, iPod, iPad, Android Smartphones, Tablets, and other Bluetooth-enabled electronical Devices, ideal for any powered Car with AUX interface & Home Stereo Sound System and Speakers via the 3.5 mm audio cable/adapter.

Easy to Operation and Auto-repair:
Just switch on the key button, and plug in your devices without Bluetooth. Then pair on your smartphone and play the music. You don't need to repair your devices every time, MPOW Bluetooth receiver can be repair automatically.

Every Mpow product includes a 45 days money back & 24 month worry-free!

Connection Technology: Bluetooth 5.0 and CSR Core
Bluetooth Range: 66 Feet
Charge Voltage: DC 5.0V Usage Temperature: 0-45 / 32-113

Package Included:
1 Bluetooth Receiver
1 USB Charging Cable
1 3.5mm Audio Cable
1 3.5mm Male to Male Connector
1 User Manual

4. Bluetooth Aux Adapter 4.2, Bluetooth Auxiliary Adapter for Car, Bluetooth Adapter for Headphones, Aux Bluetooth, Mini Bluetooth Receiver for Car, Bluetooth Audio Connector, Bluetooth Converter for Car


🎵[Bluetooth 4.2 HiFi] The upgraded version has increased the default sound volume based on customers' feedback. Upgradged Bluetooth 4.2 chipset of this Bluetooth aux adapter features 33ft connection range, auto re-connection, lag-free data/music streaming and noise reduction hands-free calling. 🏆Gold-plated fine copper interface🏆 offers much better high-fidelity sound quality than aluminum alloy one of most receivers in the market.
🚗[3-Button Control] 3 ergonomically designed buttons allow you to turn on/off, play/pause, adjust volume/track, answer/reject/end calls at will, unlike most 1-button single function receivers in the market. All of these makes it a great Bluetooth car adapter.
🔊[Wide Compatibility] Compatible with most car audio, wired headphones, dock speakers w/ standard 3.5mm aux-in port. It works like Bluetooth fm transmitter for car and unwires your aux cable for car, iPhone 7/8/X.
🔋[Portable] 120mAh battery supports portable use for long distance car driving, running and hiking. Bluetooth receiver with clip features convenient placement during outdoor events.
🎧[Mini Bluetooth Receiver] Super tiny size with a female/female adapter makes it great auxiliary Bluetooth adapter for headphones and earphones.

5. Bluetooth Adapter Receiver, KINDRM Portable Hands-Free Bluetooth 5.0 Audio Receiver Car Kits & Mini 3.5mm AUX Wireless Audio Adapter for Headphones Car Speakers/Home Stereo Music Sound System (Black)


Updated Version: Bluetooth 5.0 Chip design, pairing two devices at a time. Built-in microphone. You can connect to your smartphone to enjoy wireless high-quality stereo music and hands-free calling. Intelligent noise reduction. Up to 33 feet of connection range. Pen-clip design, Easy to carry, easy to answer calls during fitness or exercise, Enjoy wireless happiness
Easy to Use: You can play/pause/skip music/answer a call/redial the last called number or control the music on the receiver. Built-in rechargeable battery, providing up to 8 hours of playback and talk time, charging can be completed in about 1.5 hours. Connect to this Bluetooth receiver via a 3.5mm audio cable/adapter, then pair your phone for easy listening/navigation or answering calls
Unbelievable Features: This mini Bluetooth receiver can connect two Bluetooth devices at the same time. Built-in microphone for hands-free calling while driving. Designed with independent volume "+/-" buttons for perfect control of voice up/down and play/pause. 2-in-1 Bluetooth Assist Adapter Support > 8 hours of continuous wireless audio playback time, automatically re-pairing with the last paired device
Perfect Compatibility: The Bluetooth Stereo Audio Receiver Adapter is suitable for most Bluetooth devices such as mobile phones, Pod, Pad, Samsung, LG, Huawei, HTC and other Android smartphones. Simply plug in a 3.5mm auxiliary audio jack device, such as speakers, headphones, car, home stereo, and let your device instantly have wireless Bluetooth and provide high-fidelity stereo for wireless enjoyment
After-Sales Service: Risk-free shopping, Unconditional 45-day refund or replacement. Free lifetime technical support. Please contact us with any questions, Our professional service team will provide you with the best support service.(Note: KINDRM does not authorize any third-party sellers to sell, and other sellers will not be able to enjoy the service)


The KINDRM Bluetooth Receiver instantly realizes your smart life. With a built-in HD microphone, you can enjoy high-quality stereo (most of the receivers on the market are mono) music and hands-free calling or navigation through your smartphone. Intelligent noise reduction for connection lengths up to 33 feet guarantees link quality. The portable Bluetooth receiver can connect two Bluetooth devices at the same time, and can be connected automatically after disconnection. It is also compatible with most smartphones and Bluetooth devices for home audio systems or car audio systems and wired headsets or speakers (via 3.5mm audio cable/adapter and connection, then pairing the phone with a Bluetooth receiver for listening Smart life, wireless answering calls or music) to loved ones, friends, colleagues, are the best gifts.

Product parameters:
Bluetooth version: 5.0 EDR
Receiving distance: 10 meters
Talk time: > 8 hours
Continuous music playback time: > 8 hours
Charging time: 80 minutes
Microphone sensitivity: + - 42db
Output power: 30mw
Frequency response range: 20Hz-20KHz
1 *Bluetooth receiver
1 * 3.5mm audio adapter
1 * charging cable
1 * User Manual

Easy to Use:
1. Connect the receiver to a non-Bluetooth headset/computer speaker or car stereo. - Press for 3 seconds on first use until the blue and red indicators flash alternately
2. Use the built-in Bluetooth to turn on the Bluetooth function of your phone or music device, then select Search for Bluetooth devices and select
3. Pairing is successful and start listening to music.
4. Make sure your phone is not connected to other devices.

6. Bluetooth Receiver for Car, Esky Bluetooth 4.2 Hands-Free Car Kits/Bluetooth Aux Car Audio Adapter with Dual 2.4A USB Port Car Charger, Wireless Car Kits for Home/Car Audio Stereo, 3.5mm Aux Input


HANDS-FREE PHONE CALL - Just simply one click the button to dial/answer/reject/redial a call during driving and enjoy hands-free chatting as long as 6 hours. Seamlessly switches between incoming calls and music ; Drive more safely.
ENJOY STEREO SOUND MUSIC FREELY - After bluetooth connected with your phone , simply plug the mini bluetooth receiver to AUX port , you can freely switch the playlist in cell phone , enjoy the crystal clear and high-quality sound music playing by your home/car stereo audio system.(Please make sure your car has AUX input port if you plan to use it with car radio as amplifier.The metal connector length of the receiver is 0.6inch,plz mind the depth of your car's aux-in jack before purchase)
GOODBYE CABLES - No cable needed for this whole hands-free car kit . With magnetic charging mechanism technology , you can PLUG AND CHARGE the bluetooth receiver to the magnetic socket directly . Once full charged , it can work 6-10 hours . Long working time and standby time .
VOICE COMMANDS TO SIRI - While bluetooth conneted with your iphone , simply press and hold the button for 3 seonds to active SIRI . Give voice commands to siri during driving . Enjoy it !
2-PORTS USB CAR CHARGER AND FASTER CHARGING- Comes with two 5V/2.4A charging ports which output 4.8A in total . It supports charging two devices simultaneously and 70% faster than usual charger . Better charging performance !


Important Note : If you plan to use it with your car radio, please make sure your car has aux input port first .

Missed Calls: 0
The Elecwave EB07 MINI Bluetooth Receiver is designed to provide a simple hands-free solution for answering and receiving phone calls while on the go. We've also packed a built-in microphone, supported by echo and noise-cancelling technology so you can hear every single giggle and gaggle over the phone in high, crystal clear quality.

Ditch the CDs
The easy operation makes this aux Bluetooth Receiver a breeze to use, for your car stereo, home sound system, or any device without bluetooth capabilities. So if you're streaming music from your phone, you won't have to hit pause once you've stepped on the brakes.

Additional Features
1) Long bluetooth working distance and low power consumption
2) Free from any charging cables; just plug the 3.5mm audio head into USB adapter
3) Built-in 300mAh battery provides up to 10 hours working time
4) With 4.8A dual USB car charger to charge other devices
5) Compatible with most bluetooth enabled devices like smart phones, tablets or even those device with 3.5mm audio port like MP3

- Bluetooth version: V4.2
- Frequency range: 2.4-2.48 GHz
- Distance: 8 meters/ 26.25 ft
- EQ Mode: Stereo
- Battery Capacity: 300 mAh
- Charging time: 2.5 hours
- Talking time: about 8 hours
- Music playing time: about 10 hours
- Size: 95(L)*33.4(D) mm
- Working Interface: 3.5 mm Aux-in
- Material: ABS shell + PC lens + Aluminum ring

Package Contents
1 x Mini Bluetooth Receiver
1 x Car Charger
1 x User Manual
1 x Warranty Card

12-Month Replacement Warranty
30-Day Money Back Guarantee
Lifetime Support Guarantee

7. Bluetooth 5.0 Receiver, KINDRM Mini Wireless Bluetooth 3.5mm AUX Jack Audio Adapter Portable Hands-Free Bluetooth Stereo Receiver for Headphones Car Speakers/Home Stereo Music Device (Black)


Our bluetooth receiver is built with Bluetooth 5.0 HFP / HSP / A2DP / AVRCP. Designed for non-Bluetooth car / home stereo design / headphones. Easily update your non-Bluetooth audio devices with a maximum 33-foot connection range to ensure low latency for strong signals. Mini wireless receiver with clip design, easy to carry, can get rid of tangled cables, allowing you to freely enjoy wireless stereo music or hands-free calling
High Quality: Bluetooth 5.0 EDR smart chip, which provides more stable, faster transmission and lower power consumption, while showing excellent audio performance. Built-in high-definition microphone allows you to make hands-free calls, making it easy for friends to chat. Long talk and play time, charging can be completed in about 1.5 hours, and you can also use the bluetooth receiver while charging. Let you enjoy wireless music all the time
Extensive Use: The portable Bluetooth receiver can connect two Bluetooth devices at the same time, so that you can enjoy wireless music without missing a call. It is also compatible with most smartphones and Bluetooth electronic devices, just plug the wireless adapter into the device's 3.5mm auxiliary audio jack device, such as speakers, headphones, car / home stereo, etc., and let your device have wireless Bluetooth immediately, Ideal for your non-Bluetooth audio devices
Easy to use: Simply connect the speaker / headset to our Bluetooth adapter to turn the speaker / headset into a wireless Bluetooth speaker / headset. First turn on the mobile phone's Bluetooth, then turn on the auxiliary Bluetooth receiver. After the first connection is successful, the Bluetooth receiver can automatically pair. You can also easily play / pause / skip music / answer calls on the receiver via the buttons of the Bluetooth receiver, Apple devices can even activate Siri with a click
Satisfactory After-Sales: Risk-free shopping, if there is any quality problems, Unconditional 45-day refund or replacement. Free lifetime technical support. If you have any questions or issues about your purchase, please feel free to reach us directly to us and we will gladly assist you at any time


Our 5.0 Bluetooth receiver adapter is perfect for non-Bluetooth headset / speaker / car aux / home stereo system with 3.5mm auxiliary adapter. Make your non-Bluetooth device become a wireless device immediately and solve most of the problems of Bluetooth receivers on the market, such as support for stereo, use when charging, high-quality sound, longer use time. The design of the pen holder is convenient to carry, allowing you to enjoy wireless music or hands-free conversation without the cables. It is also a good companion when you are driving a car. You can enjoy wireless music and talk hands-free or navigate, making your driving more fun.

Product Parameters:
Bluetooth version: 5.0 + EDR
Frequency response range: 20Hz-20KHz
Microphone sensitivity: +-42db
Talk time: 6 ~ 8 hours
Charging time: 1.5H
Output power: 30MW
1 * Bluetooth receiver
1 * Wireless 3.5mm adapter
1 * charging cable

How do I pair my phone with a Bluetooth receiver?
1. Connect the adapter to a non-Bluetooth headset / speaker / car or home stereo system.
2. Press the Bluetooth receiver for about 3 seconds until the blue and red lights start blinking alternately.
3. Turn on the Bluetooth function of the mobile phone or music device.
4. Search for Bluetooth devices and select [Bluetooth Music].
5. Pairing is successful and start enjoying music.

8. Bluetooth V5.0 aux Adapter, Boltune Audio Receiver Car Kit, for Home Hi-fi System, Portable Wireless Audio Adapter 3.5mm Aux for Music, Speaker, Headphones, Hands-Free Car Kit with Microphone


TURN YOUR CAR INTO A STREAMING MACHINE: Featuring the latest Bluetooth 5.0 technology, the Boltune audio receiver plugs into your car audio AUX input and pairs with your favorite Bluetooth enabled device to stream your favorite music. With a built-in microphone, our device also allows you to enjoy crystal clear sound quality on all of your calls.
ENJOY WIRELESS MUSIC: Even your old boom box can be Bluetooth enabled with Boltune BT-BR001! Simply connect to your wired speakers or headphones with the included 3.5mm audio cable, pair it to your phone or tablet and enjoy CD-quality sound for all of your music or calls.
SUPPORT aptX HD: Using Boltune aptX-HD Car Kit, wirelessly stream 24bit music quality for a "better-than-CD" listening experience. Standard CD quality only is 16bit. Works with any aptX-HD Bluetooth device (e.g. headphones, speakers) to stream audio in high definition.
LONGER BATTERY LIFE: Immerse yourself in your music or conversations with up to 15 hours of play time and up to 120 hours of standby! Simply use the included USB charging cable, plug into your car charger, or PC USB port. The device only needs 1.5 hours to fully charge and you can be back on your way to streaming freedom.
Bluetooth Everywhere and Warranty Commitment: Boltune Bluetooth 5.0 receiver car kit can achieve a range of up to 10m/33ft. 18-Month warranty promise; if your product has any problem, we will replace it or refund you.


Boltune Bluetooth Receiver is designed for non-Bluetooth car/home stereo systems with 3.5mm aux port to become Bluetooth enabled. Use your Bluetooth-enabled devices (smartphones, tablets, MP3 players, etc.) to stream stereo music wirelessly through most home audio systems, car stereo system, and wired headphones.

Using aptX-HD, wirelessly stream 24bit music quality for a 'better-than-CD' listening experience. With 15 hours of battery life, or 200 hours standby time, there is enough battery to last most car trips before you need to recharge.

Bluetooth Version: 5.0
Frequency Range: 2.4GHz
Bluetooth Range: up to 10m/33ft
Talk/Playing Time: up to 15 hours

Package Includes:
1 x Bluetooth 5.0 BT-BR001 Receiver
1 x USB Charging Cable
1 x 3.5mm Audio Adapter
1 x 3.5mm Audio Cable

9. Anker Soundsync A3352 Bluetooth Receiver for Music Streaming with Bluetooth 5.0, 12-Hour Battery Life, Handsfree Calls, Dual Device Connection, for Car, Home Stereo, Headphones, Speakers


Bluetooth 5.0: The latest Bluetooth technology delivers an ultra-stable connection.
Wireless Music Streaming: Stream music to non-Bluetooth headphones and speakers.
Superior Battery Life: Enjoy up to 12 hours of playtime.
Hands-Free Calls: Plug into your car and answer calls while you drive.
Dual-Pairing: Connect two Bluetooth devices at once to listen to music, make phone calls, and more.*


Anker Sound sync A3352Bluetooth Receiver for Cars, Headphones, Speakers, and More Stay Connected Bluetooth 5.0 provides an ultra-stable connection up to 30 ft. away from your device. Dont Stop Sound sync A3352 to bring your older speakers and headphones into the present. Connect to your mobile device to stream your favorite music, podcasts and more, and adjust the volume with the built-in controls. Extended Battery Life Enjoy up to 12 hours of continuous usage and charge in just 2 hours. Compatible with Cars Plug into your cars AUX port to stream music and answer calls conveniently. Just press the receiver button to answer incoming calls. Dual Devices For greater versatility, Sound sync A3352 can simultaneously connect to two Bluetooth devices. Listen to music, answer calls, and moreat the same time.* What You A3352 Bluetooth receiver, charging cable, 3.5 mm AUX cable, 3.5mm audio adapter, 18-month , and our friendly customer service. *When two devices are connected to Sound sync A3352, the first device must be paused in order for the second device to start playing. Note: Profile: HFP v1.6, A2DP v1.2, AVRCP V1.4Battery Capacity: 180mAh, 3.6V

10. Besign BK01 Bluetooth 4.1 Car Kit Hands-Free Wireless Talking & Music Streaming Receiver with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX Input Port


BLUETOOTH V4.1: The latest Bluetooth 4.1+EDR technology provides lower power consumption and wider compatibility. You could enjoy your smart phone music or handsfree calling through your car stereo system.
AUTO-ON & AUTO-CONNECT: This Bluetooth car kit will power on automatically when you start the car, then auto sync with the last connected phone (please make sure the Bluetooth of your phone is turned on before starting the car)
THE GROUND LOOP NOISE ISOLATOR INCLUDED: In most cases, the sound quality is excellent. If you are bothered by the buzzing noise, you could use this noise isolator to avoid it.
Dual Port Car charger included: Comes with a 10 watt dual port 2.1A cigarette lighter power adapter, stand ready to charge additional devices at the same time.
CONNECT To 2 PHONES: With the multipoint technology, the Besign BK01 Bluetooth Car Kit can connect to 2 devices at the same time.




By our suggestions above, we hope that you can found the best auxiliary bluetooth adapter for you. Please don't forget to share your experience by comment in this post. Thank you!
Sabine M Busch