[Rapid and Secure Charging] Car Bluetooth transmitter features dual USB Type-C ports (PD 36W & QC 18W) for simultaneous fast charging-5 times quicker than standard chargers. With intelligent safety functions, you can charge securely and efficiently without concerns about overcharging, overloading, overheating, or short circuits. [Bluetooth 5.3-Swift and Stable Connectivity] Upgraded with Bluetooth 5.3 technology, our FM Bluetooth transmitter car ensures a stable and smart connection for seamless music streaming and hands-free calls, with minimal audio quality loss. Quick 1-second pairing and automatic re-connection offer uninterrupted calls and music. [Intuitive Multi-Function Knob & Hands-Free Calls] Our compact car Bluetooth adapter boasts a user-friendly and sleek design with one button for effortless call management: answer/reject/hold/call back. Seamlessly switch between incoming calls and music. Moreover, long- the MCF button to activate voice assistants, enhancing driving safety and convenience. [Blue Ambient Light-Enhanced Pleasant Atmosphere] Upon plugging the car Bluetooth aux adapter into the lighter, the LED screen displays your car's voltage for anytime monitoring. Additionally, The ambient blue light not only enhances visibility in dark environments but also adds a cheerful ambiance to your car. Colour:Black Material:Plastic Package Contents: 1 x FM Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.