... 3.Small simple & high quality 4.remote control AUDE-Q5 shenzhen circuit board Quick Details : Brand Name: JRModel Number: ... synchronous lyrics-Connect external audio, can use remote control or buttons to control external audio volume-Application: Ordinary audio combination, ... so on.-Key function: last songs, next songs, volume control, Play/pause, repeat, MODE2, Mainboard keys operation instructionS1: ...