[51W High Efficiency Charging, No Waiting for Charging] Featuring a 36W Type-C PD port and two USB fast charging ports (Max 15W), the Bluetooth FM transmitter supports simultaneous fast charging of 3 devices, ensuring you stay connected with sufficient power on the go. [Advanced Bluetooth 5.3 Technology] Enhance your in-car experience with our advanced Bluetooth car transmitter, ensuring stable audio transmission with low latency and the convenience of additional auto-reconnect feature. Enjoy smooth, uninterrupted music and calls on the go. [Clearer Hands-Free Calls] Picking up your voice from all directions, the upgraded microphone, combined with the latest CVC noise reduction and echo cancellation technology, eliminates road noise, wind noise and other distractions. This ensures clearer calls with your family and friends. Just press the MFB button on the car Bluetooth adapter for easy hands-free calling and safer driving. [One-Button Operation] The car Bluetooth transmitter uses the unique multi-function bounce button, allowing you to easily select FM channels, play/pause music and answer/hang up phone calls. By long pressing the MFB button, you can seamlessly connect with Siri, Google and other popular voice assistants. [Universal Compatibility and Safety [Reinforced] This Bluetooth cigarette lighter is compatible with iPad, iPod, iPhone, HTC, Galaxy, Sony, MP3 player, tablet, Android smartphones and any other Bluetooth devices. Working smoothly in 12V to 24V vehicles, it integrates over-current, over-voltage and short-circuit protection measures, ensuring safe use on a variety of vehicles.