1、Car MP3 player, support U-disk/TF card/AUX/BT playback, shocking stereo sound, subwoofer audio output, gives you a nice musical experience. 2、Support BT connection to phones to achieve hands-free calling, quick answer/reject/recall. Work with APP, you can quickly locate your car and find it easily. 3、In BT mode, long press the knob to wakeup the phone voice assistant(compatible with Android and iOS), which is easy to operate and makes driving safer. 4、High sound quality FM radio, clear sound, stable signal, real-time listening to road conditions, weather, news, etc., it can be a nice companions for your driving. 5、Dual USB ports, support U-disk reading and phone charging, convenient and practical, no longer have to worry about running out of power when the phone is navigating. 6、Support positive and negative power reverse protecting, connection error will automatically power off, will not burn the machine, reconnected correctly can also be used normally after the power on. 7、Insert TF card or U disk (not included) to record audio, you can record radio broadcasts, BT audio and AUX audio.