2 USB Ports & Fast Charging:- The FM Bluetooth car adapter has 2 USB charging ports (5V-3A and 5V-1A), QC 3.0 port, 20W PD fast charging, Type-charging port C,support two devices at the same time,can charge quickly and efficiently,the speed is 80% faster than normal,you can play your favorite music from your mobile phone via Bluetooth Micro SD/USB disk Hands-free Calling and Navigation:- When the Bluetooth connection is successful, you can call normally and listen to music, while noise reduction technology ensures excellent hands-free calling experience, press the button to easily select play/pause/answer/hang up Volume up/control,GPS navigation can use car audio streaming to ensure safer driving 3 music playback modes:- This Car Bluetooth FM Transmitter can connect by Bluetooth, TF card and dis