Top 10 Best car bluetooth audio adapter Reviews

Top 10 Rated car bluetooth audio adapter in 2021 Comparison Table

Bestseller No. 1
[2021 Upgraded] COMSOON Bluetooth 5.0 Receiver for Car, Noise Cancelling Bluetooth AUX Adapter, Bluetooth Music Receiver for Home Stereo/Wired Headphones/Hands-Free Call,16H Battery Life-Black+Silver
  • 🎶【Enjoy Wireless Streaming Music】This car Bluetooth adapter can be connected to non-Bluetooth car audio systems, home stereos, speakers, wired headphones via the 3.5mm AUX adapter; And equipped with a Bluetooth 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music!
  • 🎧【Intelligent Noise Reduction Tech】Our Bluetooth audio receiver adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear calling sounds.
  • 🔋【Up to 16 Hours of Battery Life】The working time of this aux Bluetooth adapter is up to 16 hours when making calls or playing music. And it takes only 2.5 hours to fully charge the device by using a Type-C fast charging cable (Included in the package). In addition, this Bluetooth music adapter can be used while charging, which is very convenient.
  • 📞【Hands-free Calling & Navigation】A built-in microphone and one “MFB” button to answer / redial / hang up / reject calls, help you make hands-free calls. And the Bluetooth audio adapter supports broadcasting voice notification from existed navigation App. You don’t have to look down the phone on the move. Make sure you drive safely!
  • 📱【Dual Connection】The portable Bluetooth stereo adapter can be paired with 2 devices at the same time. You can enjoy your music and never worry about missing any calls. Once paired, the car receiver will automatically reconnect to your last paired Bluetooth devices, as long as they are within the wireless range.
Bestseller No. 2
Nulaxy Wireless In-Car Bluetooth FM Transmitter Radio Adapter Car Kit W 1.44 Inch Display Supports TF/SD Card and USB Car Charger for All Smartphones Audio Players
  • 1.44 Inch LCD Display: Nulaxy KM18 Bluetooth FM transmitter has a 1.44 inch screen for better displaying information like phone calls, FM channels, music, car battery voltage, etc. The ideal screen size to assist you in driving safe without disturbance.
  • Flexible Gooseneck&Bluetooth V5.0: The rotatable Gooseneck of the wireless radio adapter can provide you with an adjustable viewing angle and optimal viewing comfort of LCD display screen. With the Bluetooth V5.0 technology, the car bluetooth adapter can provide a more stable and faster connecting without intermittent disconnection.
  • Noise Cancellation&Hi-Fi Sound Quality: Nulaxy noise-cancellation technology dampens the road noise and gives you clear, crisp sound for hands free calls. High Quality Music Streaming ensures crystal clear sound for listening music and hands-free calls.
  • Hands-free Calls: All in one button for hands-free calls: answer/reject/hand up/recall make you seamlessly switch between incoming calls and music. Enjoy complete voice-control and safer driving with this Bluetooth transmitter.
  • Wide Compatibility: The fm transmitter bluetooth for car is compatible with most devices on the market, such as iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet and Android Smartphones. You can play your favorite songs on your car stereo via Bluetooth, TF Card and Aux Cable. And it fits 12V-24V cars and trucks.
Bestseller No. 3
UGREEN Bluetooth Aux Adapter Bluetooth Car Receiver USB 2.0 to 3.5mm Jack Handsfree Car kit Audio Receiver with Built-in Microphone for Car Speaker and Home Audio
  • Bluetooth Aux Adapter: UGREEN aux Bluetooth receiver helps add Bluetooth function for your car or home stereo, enabling music, Sat Nav audio and phone calls which will be delivered through the car system directly. Not only benefit car entertainment but also save the costs to retrofit an old car without Bluetooth.
  • High-Fidelity Stereo: Equipped with the latest Bluetooth v5.0 chipset offers a 10m stable connection without delay. UGREEN car aux Bluetooth adapter supports SBC codec, built-in isolating module filters the static noise providing crystal clear audio via Bluetooth.
  • Hands-Free Calls: UGREEN Bluetooth car aux receiver also built-in microphones for hands-free phone calls. Besides, it also supports connect 2 different smartphones simultaneously, you can switch freely between them. Not only keep a safe driving but also the best travel companion!
  • Plug-and-Play: Simply plug & play, connect as soon as the ignition is turned on, disconnect once the car is off. Only plug it into the 3.5mm aux jack and powered it by the USB port, no need to continually charge the battery! UGREEN Bluetooth aux adapter supports connecting all Bluetooth-enabled smartphones/tablets/laptops to car aux and home stereo which is equipped with 3.5mm jack.
  • Compact Design: UGREEN car aux Bluetooth receiver is made of zinc alloy connectors and 10mm reinforced joint, enhanced durability with stylish design to perfectly match with your car aux and home stereo. Besides, it also features with 0.3M-1.5M premium TPE elastic cable, satisfied your needs on different occasions.
Bestseller No. 4
Handsfree Call Car Charger,Wireless Bluetooth FM Transmitter Radio Receiver,Mp3 Audio 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 iOS devices and charging.
  • More compatibility: wireless Bluetooth FM transmitter adapter for car radio,transfer calling/MP3 music/Cellphone voices to car speaker.Compatible with iPad,iPhone,Samsung,Google,LG,HTC and Bluetooth Device.
  • 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 car outlet port. Always keep battery state of health. Then it turn to automatic play mode.
  • Music playing:support Bluetooth /USB disk/TF card/ MP3/wma player. With anti-interference performance and CVC technology.Listening to music while charging. Automatically connect memorized paired when power on. 12-Month worry-free.
Bestseller No. 5
(Upgraded Version) Bluetooth FM Transmitter, Sumind Wireless Radio Adapter Hands-Free Car Kit with 1.7 Inch Display, QC3.0 and Smart 2.4A Dual USB Ports, AUX Input/Output, TF Card Mp3 Player
  • Intelligent and fast charging: input 12-24 V; Output 2 USB ports: smart 2.4 A charge port which can intelligently identify android or iPhone devices and QC3.0 fast charge port
  • Special design: large key for easy operation; 1.7 Inch large LCD backlight display song name/ incoming phone number and shows your car's battery level when car start; Can rotate the LCD display screen in 270-degree gooseneck for optimal viewing comfort; Turn off the FM transmitter: long pressing the next song key for 5 seconds, it will turn off the FM and functions keep charging function
  • Broad compatibility: this radio adapter works with compatible devices, like iPhone, iPad, iPod, tablet, smartphones, you can transfer music in those devices to car audio via 3.5 mm audio cable; Support TF/ Micro SD card in FAT format up to 32G; Support A2DP; Support MP3/ WMA format; Also support AUX output
  • High clear sound and call quality: adopted advanced interference and noise cancellation technology - CVC technology creates full duplex sound and suppresses noise and wind; Built-in microphone feature supports hands-free talking reduce interference
  • Features v4.2 and EDR: compared to earlier or older versions likeV2.0, V 2.1, or V3.0, V4.2 consumes much less energy and lasts much longer; EDR(Enhanced Data Rate), which ensures a faster data transmission rate and much more stable connection between a device and the audio receiver
Bestseller No. 6
IMDEN Bluetooth 5.0 FM Transmitter for Car, 3.0 Wireless Bluetooth FM Radio Adapter Music Player FM Transmitter/Car Kit with Hands-Free Calling and 2 USB Ports Charger Support USB Drive
  • 2 ports usb car charger &3.0 charger : support charging two devices simultaneously, one port is quick charge 3.0 port. this fast charge port is also compatible with: 2.0, hua wei fcp, type-c and samsung. the charger efficiency is more than 80%.
  • Answer calls hands-free :high-performance microphone with noise suppression cvc technology, grants you crystal clear call. answering/redialing/dismissing or ending call just simply click a button.
  • Immerse in hi-fi music: insert a usb flash driver which contains mp3 files into the right±usb port and enjoy it. if that's not enough, it can also support your playlist with no distortions of the original signal from your mp3, iphone, android smartphones and more bluetooth enabled devices.
  • Wide compatibility :bluetooth car fm transmitter can be paired as a hands-free kit with all bluetooth enabled devices, such as iphone, ipad, ipod, tablet, samsung, htc, sony and other andriod smartphones.
  • Multi-safety protection :comes with built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection.
Bestseller No. 7
BESIGN BK01 Bluetooth Car Kit, Wireless Receiver for Handsfree Talking and Music Streaming with Ground Loop Noise Isolator for Car with 3.5mm Aux 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.
Bestseller No. 8
Bluetooth Car Adapter, BAVNCO Mini Bluetooth 5.0 Stereo Transmitter Receiver Wireless 3.5mm Aux Jack Adapter Hands-Free Car Kit Built-in Mic for Car Aux, Home Stereo, Headphones, PC,TV and More
  • Upgraded Version: Our Bluetooth AUX adapter receiver. Designed for non-Bluetooth audio systems. It is the perfect solution for your various non-Bluetooth home audio systems or car speakers to achieve the ideal wireless audio. No battery, easy to use, convenient and compact design makes your audio system look smooth and beautiful. A connection range of up to 33 feet allows you to get rid of messy cables and experience wireless music
  • Easy to Use & Widely Compatible: Just plug the 3.5mm AUX cable into the adapter and plug it into the aux jack of your device, switch to the mode you need (RX/TX) and you can use it easily. Widely support all Bluetooth devices (for example: iPhone, iPad, iPod, tablet, Samsung and other Andriod smartphones) to pair as a hands-free kit. Very suitable for your old home/car audio system and wired headset/TV/PC etc. Can provide you with high-definition wireless stereo music/hands-free calling
  • Excellent performance design: 2-in-1 design is not only a Bluetooth receiver or a Bluetooth transmitter, one device has two uses, making your life more intelligent. The button design allows you to use it conveniently and quickly, and you can easily switch in the transmitter/receive mode to solve your various usage needs. At the same time, just click a button to answer/cancel/end the call so you can drive safely. In addition, it also supports voice navigation of mobile phones
  • Reliable Quality: With the latest version of V5.0EDR and high-definition audio technology, our Bluetooth receiver transmitter can be connected to the device more stably, and can transmit quickly and reduce noise as well as low latency to ensure excellent stereo effects. Built-in high-definition microphone so you can talk hands-free. CVC noise reduction technology makes your call more clear. Automatic pairing connection function and dual connection, making your music sharing easier
  • Worry-Free After-Sales: lifetime technical support, never worry about any problems. We are confident in the quality of the Bluetooth receiver transmitter and are willing to provide a 12-month replacement warranty and a 30-day unconditional refund. If you have any questions, please contact our customer support, we will provide you with a fast and enthusiastic solution at the first time
Bestseller No. 9
Bluetooth 5.0 Car FM Transmitter,QC3.0 Wireless Bluetooth Car Adapter Mp3 Music Player Car Kit with Hands-Free Calling and 2 USB Charge,LED Backlit,Play TF Card/USB for All Smartphones Audio Players
  • ☺【Easy to Use】Plug the Bluetooth FM transmitter into the car cigarette lighter, select an empty FM frequency (range from 87.5 to 108 MHz) on your car radio, connect the bluetooth on your phone/tablet to the hands free car kits, then tune it to the same frequency. After paired successfully, it will transmit your phone music to the car stereo system.In music playing mode, it will auto switch to phone call mode if there's an incoming call. Noise cancellation technology making sound quality clearer.
  • ☺【Dual USB Quick Charge】DeeprBlu Wireless Bluetooth FM Radio Adapter has a 3.0 amp charging port, which charges your devices very quickly! Able to charge compatible devices to 80% in just 35 minutes. The 5V/2.4A USB Port with music icon not only for charge but also read U disk to play your favorite music. We would highly recommend the Bluetooth car adapter if you want to charge your phone and laptop at the same time, or play music from your phone or even both.
  • ♫【3 Music Playing Modes with Colorful Backlit】DeeprBlu wireless FM transmitter supports 3 music playing modes, with the A2DP function.1.Bluetooth paired music 2. Micro SD card (≤64G) 3.U disk (≤64G). Supports WMA, MP3, WAV, FLAC format files and Hi-Fi stereo system. FM transmitter for car is equipped with 6 colorful LED backlight, achieve exquisite visual effects in the car at night. it will provide a great in-car audio experience for you, you can listen to your favorite music in the car.
  • ☺【Siri Voice Assistant & Hands-free Calls】Our Bluetooth FM transmitter for car supports Siri voice commands and hands-free calling to ensure safe driving. Just press the “Siri Function” button to call out the Siri voice assistant, enjoy complete voice-control while driving. Press "✆/CH" button to answer/hang up/reject/redial calls and Volume Control (Rotate),seamlessly switches between incoming calls and music. Make driving easier and safer.
  • ☺【Bluetooth V5.0 & Wide Compatibility】Bluetooth car transmitter has advanced Bluetooth V5.0 chip, so it connects to Bluetooth device really fast, more stable signal reception, anti-interference performance, lower power consumption and more. And widely compatible with iPhone,iPad,Samsung,tablet,Android smartphones and any other Bluetooth devices as well as any 12-24 V vehicles. It's a great pick especially if you have an older car that doesn’t have a Bluetooth audio player built into its system.
Bestseller No. 10
Bluetooth Aux Adapter for Car, SONRU Bluetooth Receiver for Car,Wireless Audio Adapter Portable Hands-Free Car Kits with RCA AUX 3.5mm for Home/Car Stereo Music Streaming Sound System
  • 【ADVANCED BLUETOOTH 4.2 RECEIVER】: A solution for cars with non Bluetooth capabilities, enjoy handsfree calling, GPS and streaming music while in driving. It’s also connect with older home audio systems and wired headphones via 3.5mm aux cable/adapter to help you enjoy the wireless
  • 【CLEAR HANDS-FREE PHONE CALL】: Hands free future makes calls super simple when driving, you can Answer/End/Reject calls and Redial the last called number on this BT audio adapter. Enjoy wireless stereo music and no more worry about missing any calls
  • 【DUAL CONNECTION & WIDE COMPATIBILITY】: The mini bluetooth receiver adapter connected with two bluetooth devices at the same time, the bluetooth range up to 33ft without obstacles.It ideal for home or vehicle audio systems, compatible with most bluetooth enabled devices like smartphone (both iPhone and Android), MP3, CD player, tablet, etc
  • 【RELIABLE CONNECTIVITY】: Equipped with the latest bluetooth 4.2 for faster and more stable connectivity, it supports A2DP, AVRCP, HSP, and HFP. No need to tolerate the problem of signal cuts in and out
  • 【LONG PLAY TIME & QUALITY WARRANTY】: SonRu bluetooth adapter is up to 12.8 hours nonstop music streaming, radio, GPS or handsfree phone calls, and 250 hours standby time. With high quality, we guarantee 12 month quality warranty and one month money-back for no reason.
Are you looking for top 10 good car bluetooth audio adapter for your budget in 2021? Our company had scanned more than 31,415 customer rating about top 10 best car bluetooth audio adapter in 2021. So, let’s take a closer look at the most popular options currently available and find the top 10 rated car bluetooth audio adapter in 2021 for you.

Our team of expert editors had spent more than 85 hours to research all new and top rated products on the market 2021, then we reviewed consumer feedbacks, and wrote this article.

We have ranked the best brands from AI and Big Data, please check below:

Our Best Choice: TUNAI Firefly Chat LDAC Bluetooth Adapter – Hifi Wireless Bluetooth 5.0 Receiver with USB DAC 3.5mm AUX for Car/ Home Stereo Music Streaming & Hands-Free Calls – Auto On, No charging needed (Black)

Our rating:4.7 out of 5 stars (4.7 / 5)


Product Description

Tunai Firefly Chat Bluetooth Receiver Adapter Car Hands Free Call Audio Aux Tunai Firefly Chat Bluetooth Receiver Adapter Car Hands Free Call Audio Aux

firefly chat sound quality music audio streaming bluetooth ldac dac high resolution hifi auxfirefly chat sound quality music audio streaming bluetooth ldac dac high resolution hifi aux

Great sound and hands-free calls in a tiny USB package!

Looking for an authentic HiFi Bluetooth listening experience in your car? Want to cut the cord without sacrificing music quality? FIrefly Chat LDAC is exactly what you are looking for, a powerful Bluetooth music receiver packed in a compact USB size. There is even a built-in microphone which supports hands-free calling.

Certified as High-Res audio by Japan Audio Society (JAS), it streams the most original and highest quality music via Bluetooth from your smartphone or tablet using SONY LDAC technology for Android or AAC codec for iOS. An additional audiophile 127dB SNR DAC is also used to preserve all the details, delivering original sound with minimal distortion.

Equipped with the latest Bluetooth 5.0 chipset for stable connection, Firefly Chat LDAC is the perfect choice for iPhone, iPad and Android devices who are looking for the best-in -class Bluetooth music quality.

Note: If your car does not have a USB port, we recommend using a 5V car adapter from a reputable brand to avoid damaging both your phone and Firefly LDAC.

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Why do you need LDAC? Because it is the Highest quality wireless audio streaming standard currently available

Most Bluetooth receivers support only the most basic low quality SBC codec, which is less than ideal for music streaming, resulting in noticeable distortion in sound quality. Firefly Chat LDAC is one of the very few receivers on the market that the supports SONY LDAC technology, streaming high-resolution audio over Bluetooth connection at 24-bit/96kHz and 990kbps transmission rates (vs Qualcomm’s aptX at 352kpbs, aptX HD at 576kbps and SBC at 320kbps).

iOS devices, as well as a few others, implement AAC over Bluetooth, making the Firefly LDAC a must have for iPhone and iPad users who want to get the most out of their speakers and car audio systems.

*Note: Your Android device will also need to support LDAC (e.g. Android 8.0 or up). Please check with your phone manufacturer for details before purchase.

ground loop isolator dac noise reduction Home Stereo Music Streaming Hands-Free Calls handsfreeground loop isolator dac noise reduction Home Stereo Music Streaming Hands-Free Calls handsfree

Built in ground loop isolator & additional DAC to eliminate all noises and distortion

No more hissing and humming sounds

The static noise from cars is always an annoying and major complaint when using bluetooth receivers, and requires the use of an additional ground loop isolator (typically costing you an additional 10 dollars or more). We heard you – and agree that you deserve a noise-free listening experience. The addition of a built-in ground loop isolator (without increasing the size from original Firefly Chat) removes 99% of the hissing and humming noise interference produced by the car. Simply use the TUNAI Connect App to switch the function on and truly enjoy the beat..

Additional 127dB SNR DAC from Cirrus Logic minimizes distortion:

DAC stands for signal-to-noise converter, and is one of the key factors that decides the output sound quality. Most Bluetooth receivers use the DAC integrated inside the Bluetooth chip, which is insufficient for high quality audio, usually resulting in muddy and blurry sound with a high noise floor. The additional 127dB SNR DAC from Cirrus Logic is one of the most advanced high performance DACs available, and provides superior conversion with more authentic, rich and clearer quality of music. Enjoy an enhanced listening experience that allows you to distinguish different sounds and instruments and notice finer details.

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simultaneous seamless sharing two devices multiple transmitter charger bt microphone handsfree aux simultaneous seamless sharing two devices multiple transmitter charger bt microphone handsfree aux

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The Firefly Chat LDAC starts up when it gets powered, —no ON button needed!

Your phone will automatically reconnect with the Firefly Chat LDAC in most circumstances, and it can remember up to 8 different phones.

Never charge it, and no more worries about the battery failing. The Firefly Chat LDAC gets power from USB, and thanks to its super efficient electronics, it only takes a tiny amount of power! (approx. 20mW)

TWO phones or tablets can be connected with Firefly Chat LDAC at the same time so you can play music from either one. Simply pause the first device and play from the second—it’s that easy. Firefly Chat LDAC also remembers up to 8 devices.

TUNAI CONNECT App, available in iOS and Android, offers customized EQ settings, ground loop isolator settings, firmware upgrades and more!

Note: If you are experiencing issues with Firefly Chat LDAC, make sure to update the firmware via app first as it might solve the issue in a minute for you!

Bluetooth version

Bluetooth 5.0

Bluetooth 5.0

Bluetooth 4.2

Bluetooth 4.2

Bluetooth 4.2

Hands-free call (Built-in mic)

Built-in ground loop isolator

Operating Range

32 feet / 10m

32 feet / 10m

32 feet / 10m

32 feet / 10m

32 feet / 10m

One-button reset

Auto reconnect

Battery life

No charging needed

No charging needed

No charging needed

No charging needed

No charging needed


3.5mm AUX extension cord (65cm / 25.6″)

3.5mm AUX extension cord (60cm / 23.6″)

3.5mm AUX extension cord (65cm / 25.6″)

AUX to AV/RCA cable (1m / 39.4”)

1x 3.5mm AUX extension cord (60cm / 23.6″) + 1x AUX to AV/RCA cable (1m / 39.4”)


0.3 oz

0.4 oz

0.4 oz

0.4 oz

0.4 oz

Size (without the cable)

0.6 * 1.9 *0.3 inches

0.5 * 1.75 * 0.2 inches

0.5 * 1.75 * 0.2 inches

0.5 * 1.75 * 0.2 inches

0.5 * 1.75 * 0.2 inches


**Please remember to UPDATE THE FIRMWARE FIRST if you have any issues, this might solve the problem you have right away.**

How can I improve the sound quality if it seems distorted, especially on loud bass?

If the sound is muddy, turn down the volume on your phone, and up on the car stereo. If there is a humming and hissing sound (ground loop noise), turn on the “ground loop noise cancellation” option on TUNAI Connect App.

Firefly Chat LDAC is connected but there is no sound, what should I do?

As there are two connections that might show up on your Bluetooth list (one for the app and one for the sound), make sure to check on your Bluetooth list and connect to all items showing as “TUNAI FIREFLY CHAT LDAC”.

Sometimes the Firefly Chat LDAC doesn’t reconnect to the phone or the connection is not stable. What can I do?

‘Forget’ all devices from your phone’s Bluetooth menu, restart the phone, and pair with the Firefly Chat LDAC again. If you are experiencing unstable Bluetooth connection, make sure you update the firmware via TUNAI Connect App.

Call quality and music quality aren’t the same. Is this normal?

The Bluetooth standard works with call audio and music audio differently. For calls, Bluetooth uses a lower quality processing technique to ensure maximum reliability. For music, on the other hand, quality takes precedence over reliability. You will therefore notice a difference if you switch from music to a call!

How do I know if my device supports LDAC? How do I know if it is on?

Any Android with 8.0 (Oreo) or up supports SONY LDAC codec. LDAC usually needs to be manually activated in most cases. Please check your phone user manual for how to turn on LDAC for your model.

How does ‘party mode’ (multiple device connection) work?

When party mode is turned on, TUNAI Connect App and two devices are connected to Firefly Chat LDAC. Whichever device that starts playing the music or receives audio notifications will become the main output device. When one phone is playing music, we suggest putting the other phone on mute/pause other audio media to avoid disruption.

Authentic and Hi-Fi quality sound experience via SONY LDAC codec and Cirrus Logic audiophile grade 127dB SNR DAC technology: Firefly chat LDAC supports SONY LDAC for Android devices , delivering the highest quality in Bluetooth audio (24-bit/96kHz and 990kbps transmission rate). Firefly Chat LDAC also supports AAC, the most advanced Bluetooth audio technology for Apple iPhone and other iOS devices.
Automatically reconnect & multiple device connectivity: Once the engine starts, Firefly Chat LDAC automatically connects to the last paired smartphone, just like your car’s built-in Bluetooth (plus you never have to charge it either!) It can also pair with 2 devices simultaneously for easy music sharing.
No more ground loop noise [feature upgrade from original version]: Say goodbye to the annoying hissing and humming sounds when enjoying music streaming in the car. A ground loop isolator (worth $10+) is packed inside the compact Firefly Chat LDAC to remove potential ground loop noise issues that plague most receivers. (Note: to turn the feature via TUNAI Connect app)
Safe Hands-free Calling: Firefly Chat LDAC has a built-in microphone for making phone calls safely while driving. Just press the button to take an incoming call. If you prefer not to have the call function, check out TUNAI Firefly LDAC Bluetooth Adapter.

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