LEPY LP-269PRO 4.1 Channel Amplifier Bluetooth 5.0 Coaxial In USB SD FM Function Subwoofer Output Home Theater Sound System

1 .Mode switching / switch
2 .Repeat play
3 .play / pause
4 .Next song
5 .Play / pause
6 .remote control
7 .display
8 .power switch
9 .USB soacket
10 .SD socket
11 .Treble adjustment
12 .Bass adjustment
13 .AB / CD transmission port switching
14 .Left and right channel input
15 .FM Ant
16 .Speaker Outputs
17 .BT Ant
18 .Coaxial input terminal
19 .BASS signal ouput
20 .DC Voltage input
21 .Mode conversion
22 .power switch
23 .last song
24 .pause / play
25 .volume down
26 .Sound key
27 .Song repeat key
28 .Selection key
29 .Mute
30 .Next song
31 .Volume increase
32 .Automatic platfoem adjustment