【Bluetooth Car FM Transmitter & Function Collection】Dual USB ports, QC 3.0 fast charging, hands-free calling, voice assistant, high-fidelity sound quality output, dual screen and voltage display, 7 colors and 2 ambient light modes, support U disk, TF card and Bluetooth music playing modes. 【Easy to Use】Plug the Bluetooth FM transmitter into the car cigarette lighter, select an empty FM frequency (87.5-108MHz range) on your car stereo, connect your phone's bluetooth to the car hands-free kits, and then tune to the same frequency. Once paired successfully, it will transmit the music from your phone to the car stereo system. In music playing mode, it will automatically switch to phone call mode if there is an incoming call. 【18W PD Efficient Charging & QC3.0】: The car Bluetooth adapter can fast charge two devices simultaneously via PD18W and QC3.0 ports. which charges your devices super fast! Capable of charging compatible devices to 80% in just 35 minutes. The 5V/1A USB port with music