MZ M309 (PORTABLE KAROAKE SPEAKER)Dynamic Thunder Sound with wireless Mic 8X2 Inch 20 W Bluetooth Speaker  (Multicolor, Stereo Channel)

1.Power switch, total volume adjustment 2. The charging light is on, the full light is off 3.Audio input 4. The DC 5V power input 5.USB port input 6.Micro SD input 7.Next Song(1.FM:Channel down;) 8. Short press play/pause (FM: Auto search);long press the recording u play, long press to exit the recording during recording playback. 9.Short press on the previous track (received: previous radio); for uB or TF,long press to record, then press to exit recording and play the current recording. 10.Mode selection (short press USB,Micro SD, RADIO, & AUX; long press LED off / on) 11.LED display; Remote control receiving window 12.Echo adjustment 13.Microphone volume adjustment 14.Microphone input 15.Mode selecton(switch USB,Micro SD,Radio,&AUX) 16.Standby 17.Short press play/pause (FM: Auto search);long press the recording to play, long press to exit the recording during recording playback. 18.Short press the equalizer. When the recording is playing, long press to delete the recording. 19. REPEAT(Short press single loop playback / full loop playback, long press microphone priority on/off) 20.Number Selecton(0-9) 21.Single press the light to change, long press the light to turn on/off 22. Volume up/Volume down 23.Next/Previous 24.Mute