Music Playback: Compatible with the audio output of smartphones and MP3 players, with BT connectivity and USB and AUX ports, so you can play music from any device. AM FM Radio Player: Built in radio, convenient for you to listen to AM, FM radio stations, learn about the latest music, news, sports, etc. Input: USB2.0 port for easy selection of a large library of audio files, auxiliary input is a convenient way to connect to an MP3 player, PD fast charge can quickly charge your phone. Multi Function: Support APP positioning to find the car, and audio source recording function support recording BT music, AUX music, radio broadcast to memory card or ∪ disk. LCD Display: Built in digital LCD display instrument, can display all functions and inputs used, can also adjust the color, spectrum, version of the display.