Photo Of The Device And The Button Keys; The Keys (Hardwares) - Multilaser APOLO Manual Del Usuario

1.

Photo of the device and the button keys

2.

The keys (Hardwares)

Power
Button
Vol +/Vol-
Button
21

Long press it to power on or power off the device.

In on state, short press it to shift between sleeping and active mode.

In sleeping mode, short press it to awake the device.

Press it to increase or decrease the sound volume.
User's manual