11.REPEAT-ALL KEY
12.EQ :DSP INCREASE/WEAKER KEY
13.TREBLE / BASS KEY ,ADJUST BY PRESSING KEY "+" AND "-"
15. MODE :Short press and change the front light
mode Long press the front light ON/OFF
15.USB/SD INPUT KEY
16.LINE IN INPUT KEY
17.SHORT PRESS FOR BT INPUT KEY (BT SEARCHING NAME:8480)
/ LONG PRESS FOR BT.TWS INPUT
18.
19.SHORT PRESS FOR PREVIOUS KEY / LONG PRESS FOR PREVIOUS FOLDER KEY
20.PLAY/PAUSE KEY
21.SHORT PRESS FOR NEXT KEY / LONG PRESS FOR NEXT FOLDER KEY
22.Volume increase key
23.MUTE KEY
24.Volume reduce key