Better Hands-free Calling - CVC noise cancellation reduces background noise and offers clearer hands-free calling to ensure safer and more reassuring driving. And Bluetooth 5.0 provides a more stable connection, faster transmission. Answer/hang up/reject/recall all in one button, you can take a phone call easily and safely with this Bluetooth FM transmitter | Dual USB Car Charger - This Bluetooth car adapter enables you to quickly charge 2 devices at the same time. 3.1A smart charging port that intelligently assigns charging current to each device. The overcharge protection function keeps your phone safely charged all the time, protects a battery from overcharging | 3 Music Play Ways - This Bluetooth FM transmitter for car supports Bluetooth/USB disk/Micro SD card 3 music play mode, supports A2DP stereo music play, you can enjoy FLAC/WMA/APE music while charging, make your trip have more fun | Driving with Smart Voice Service - This Bluetooth FM transmitter supports Siri/Google voice assistant. With navigation, the broadcast function will help you find destinations more quickly and conveniently. This Bluetooth car adapter will automatically monitor car battery voltage when plugged into the car outlet port, always keep the battery healthy | Soft Breathing Light - The blue atmosphere light of this Bluetooth FM radio transmitter helps you find it easily at night and makes the interior layout of the car look more ambient

Bluetooth 5.3 Aux Receiver: This Bluetooth adapter can add Bluetooth functionality to your vintage stereo/wired speaker/Amplifier/old car stereo, allowing you to enjoy music wirelessly, and answer hands-free calling. Make your party or road trip more fun | Bluetooth 5.3 Tech, Easy to Use: One key to power on and enter pairing mode. Built with Bluetooth 5.3 technology, this Bluetooth receiver can provide 2X more stable connection, and 2X faster pairing speed than Bluetooth 5.0 | Hands-free Calling & Navigation: A built-in microphone and an "MFB" button to answer/redial/hang up/reject calls. Bluetooth audio adapter supports voice navigation and activate Siri. No need to look down at your phone while driving to ensure your driving safety! | True Wireless Stereo: The Bluetooth receiver supports True Wireless Stereo (TWS). Purchase two Bluetooth receivers to stream audio to 2 separate sets of speakers - one will become an R channel and the other one will become an L channel, bringing you a great booming stereo. It's good for parties, movies, and music (sold 1 as a pack) | Mini Size & Portable: This Bluetooth audio adapter is smaller and more portable. Working range up to 33ft, not limited by wires. Support Devices: Home stereo, speakers, headphones, earbuds, audio music streaming sound system, car stereo system, PC, etc.

AUX Bluetooth Adapter - This AUX Bluetooth adapter can add Bluetooth function to a non-Bluetooth device, such as car stereos, wired speakers, and home stereos, allowing you to enjoy wireless music, hands-free calling. Suitable for all devices that with AUX 3.5mm input | Convenient Hands-free Call - Built-in microphone, this Bluetooth AUX adapter allows you to make hands-free calls while driving, just press the rotating knob to answer/hang up calls. Or control the phone by voice throughout the drive, freeing your hands, ensuring driving safety and easy travel | Portable Bluetooth Audio Adapter - The Bluetooth 5.0 tech provides a faster, more stable connection, the CVC noise canceling effectively reduces the background noise when making hands-free calling. Super mini size, lightweight design, The Bluetooth AUX adapter for car will not take up extra space and is easy to carry around | Easy to Use - Press the rotating knob to play/pause music, and turn the knob to switch the music. Just connect the Bluetooth adapter to the device with an AUX/3.5mm cable, pair it with your phone/tablet via Bluetooth, then you can enjoy wireless music | Non-slip Design - Bottom with 3M adhesives, you can locate the Bluetooth car adapter in a suitable location, help prevent sliding even on bumpy roads, and protect the device itself. With 1 4.09ft audio/charging cable, the car USB Bluetooth adapter will meet your needs on different occasions

2-in-1 Bluetooth Transmitter & Receiver: In transmitter mode(TX), the Bluetooth transmitter plugs into a non-Bluetooth device, such as a TV/in-flight entertainment via the 3.5mm jack and transmits audio to Bluetooth headphones; In receiver mode(RX), the Bluetooth receiver receives audio from phones/tablets and play music on a wired speaker/car stereo. | Pairs 2 Devices & Easy to Use: In TX mode, the Bluetooth TV Adapter supports pairing 2 Bluetooth headphones and sharing music simultaneously. It can also pair 2 smartphones in RX mode. Just press the power button 2 times to pair with the second Bluetooth device. Plug, pair, and play, easier to use. | Flexibility 3.5mm AUX cable: Unlike other products that have fixed-prong or foldable prongs, our long bendable cable won't fall out if bumped. Made of high rebound rubber material, designed for narrow environments such as wall-mounted TVs and wall-mounted audio systems. it is soft, resistant to bending, and can last longer. | Support Hands-free Calling: Built-in microphone, this Bluetooth AUX adapter allows you to make hands-free calls while driving, Bluetooth 5.3 tech reduces the voice delay and background noise. Just press the power button to answer/hang up calls, and a long press to reject the call. | 12+ Hours Battery Life & Play While Charing: The Bluetooth audio adapter has a battery life of 12+ hours, in case you forget to charge it before using it, the Bluetooth adapter can be used while charging with the included charging cable. | Portable Bluetooth Audio Adapter: The Bluetooth transmitter receiver is designed with a keychain attachment, so you can easily hang it in your backpack or any place. Super mini size, lightweight design, the Bluetooth audio adapter will not take up extra space and is easy to carry around.