1. Support Bluetooth music playback, wireless transmission of mobile phone music to car audio playback; 2. Support U disk/TF card music playback 3.Bluetooth hands-free call, caller number dialing, automatically pause music, and hands-free call through car audio after connection; Safer driving 4. Multi-port USB car charger, PD18W+QC3.0 fast charging interface +5V/1A USB charging, intelligent output current suitable for all kinds of mobile phones, tablets 5. Support hands-free answering, incoming calls short press the phone button to answer long Press reject, double click the last number to call back, 6.Transmit at full frequency, 87.5-108.0MHZ 7. LED digital screen, display FM frequency working status (bt, Call, etc.) 8. Support mobile phone navigation and amplification, mobile phone charging endurance, while navigating while listening to songs while charging, without interfering with each other 9. Voice broadcast and display of car battery voltage 10. Support car battery voltage detection 11. Support EQ bass function 12. Support music power off memory function 13. Support lossless music playback 14. Support music folder switching 15. Support multi-mode Symphony Ambient Light