1. FM radio2. Read card U disk (audio)3.AUX function4.Bluetooth function5. RCA audio output can be connected to a subwoofer6.Colorful lights7.TYPE-C charging power interface (2.1A)8. Voice assistant function (in BT mode, short press button 2 to activate the voice assistant function of the phone)9. Mobile APP function, positioning and finding the car function (connect to the car through the mobile APP, and you can find the location where the car stopped when it turned off and left on the mobile phone)10. Audio source copy function (when a U disk or TF card is inserted, press and hold the knob in radio, BT music, or AUX mode to store the current favorite audio or radio station in the TF card or U disk for collection, so that it can be played next time Listen)11. Mobile phone holder function (can be used as a mobile phone holder)12. Protection function for reverse connection of positive and negative poles of the power supply (wrong connection of the positive and negative poles of the power cord will not cause burning of the circuit board)