Connection
usb, bluetooth, TF Card, usb charging port, type c charging port
Function
Stereo, CAR CHARGER, Playback, FM Transmitter, Hands-free, Amplifier, Built-In Speaker, Fast Charging, Built-in Microphone, screen display, Power Off Memory, Hi-Res Sound, led voltage monitor display, touch screen, pd30w charger, car mp3 player, rotatable neck, dual usb fast charging ports