bluetooth V5.1 2. Support dual LED Display, battery voltage real-time detection and display 3. Maximum power 36W，Support QC3.0 (QC 18W),PD3.0(PD 18W).IC: 27177-BC72. HVIN:BC72 | Support Siri/Google voice assistant 2. Support stereo FM Transmitter 3. Support power off memory function 4. Support bluetooth reconnect automatic 5. bluetooth support A2DP,AVRCP,HFP,HSP | Support private answer 2. Support bluetooth stereo music DSP technology 3. One key to turn off FM Transmitter, retain charging function | Support input over-voltage protection, output over-current protection, output short-circuit protection and over temperature protection | Thank you for purchasing our bluetooth car charger! In order to have a best performance experience, please read the manual carefully before use!Important Note ：Volume level is not adjustable, volume level defaults to maximum.

Bluetooth 5.1 receiver adapter, can be used for car audio, home audio, headphones, 3.5mm bluetooth adapter AUX interface audio equipment for Bluetooth adaptation, mobile phone through the Bluetooth adapter to connect the audio, only the mobile phone to load music, to achieve a variety of music fast playback. | Bluetooth 5.1 adapter adopts new noise reduction technology to provide a good audio transmission experience, equipped with DSP and noise reduction software to make the call and audio transmission more clear and real. | Equipped with dual Bluetooth connection, can connect two Bluetooth devices at the same time, Bluetooth range up to 33FT, with automatic connection memory function, the next start will automatically connect. Hands-free calls make talking while driving super easy, you can receive/end/reject calls | Bluetooth adapter is small and light, easy to carry, built-in 250 mah battery, can achieve 8 hours of music, radio, voice, audio uninterrupted transmission, while charging while playing, one hour can be fully charged. | Please check the instructions before use. If you have any questions, please contact us in time.

Wireless Connectivity: Utilizes Bluetooth | 0 for seamless connection to your smartphone or other devices. | Hands-Free Calling: Built-in microphone allows for hands-free calls while driving. | Dual-Purpose Charger: Features a USB charging port to power your devices on the go. | FM Transmitter: Broadcasts audio from your device through your car's FM radio.

{POWERFUL CAR FM TRANSMITTER} - Our bluetooth car transmitter uses advanced Bluetooth 4.2 chips for stable connection. Its 24-bit audio encoding and noise canceling technology ensure lossless crystal music and super clear phone conversation. It is compatible with IOS and Android system and perfectly works with most vehicles from 12V-24V such as cars, minivans, SUV and more. | {LARGE LCD DISPLAY & FLEXIBLE NECK} - The ideal 1.8 inches color screen and 180-degree rotatable neck of car bluetooth FM transmitter offer a much wider viewing for incoming phone number, battery voltage and more information that provides more security and convenience for your driving. | {MULTIPLE MUSIC EXPERIENCE} - The car mp3 player supports 4 music playing modes including USB/TF card/AUX/ bluetooth. Playing and switching freely your favorite pieces of music in various EQ sound effects. What's more intelligent, the fm transmitter bluetooth is equipped with memory function that allows to replay the song paused last time when you restart the player. | {HANDSFREE FUNCTION} - Just click a botton, you can answer/reject/hand up/redial a call, switch between incoming calls and music seamlessly as well as wake up the voice assistant by long press. Featured with simple one press operation and voice control, the bluetooth transmitter for car assists you a lot in safe driving without disturbance. | {UPGRADED PERFORMANCE} - The bluetooth radio transmitter for car comes with two 5V-2.4A charging ports to serve as car usb adpater that supports smart fast charging to your smartphone or tablet. Real time car battery voltage monitoring keeps reminding your car conidition to avoid potential malfunction and accident.