LENCO SBW-801BK User Manual page 10

3: VOL+: Short or long press for volume up;
4: PAIR: Short or long press Bluetooth pair;
5: HDMI (ARC) IN
6: OPTICAL IN
7: USB Playing
8: AUX IN (R)
9: DC IN
LED Display: to show different mode.
What's in box:

1*Soundbar

1*Subwoofer

2*Adaptor

1*User manual

1*Remote control

1*Wall mount brackets
9