Soundbar
1
Standby (1): turns the soundbar on or off.
Vol- (2) and Vol+ (3): adjust the volume.
2
The LED in the centre of the bar shows the device's status: off means the device is on standby. After pressing Standby, it blinks blue: Bluetooth pairing is in progress.
3
Look for and select "M-1520SBT" in your device's Bluetooth list to connect.
Enjoy!