User's Manual

Bluetooth Functions
Long-press to turn on the bluetooth device when playing, icon flickers to enter in the
matching mode, it will match and connect with the surrounding bluetooth headset or bluetooth
acoustics automatically within about 50s. Then long-press to switch and achieve the
re-connection or bluetooth disconnection function, the matched device can turn on and connect
automatically again.
Back Function Introduction
1.HOLD (ON/OFF): lock / unlock the switch control (before starting up, you shall pull the key
to OFF position). - ON: key lock - OFF: Unlock
2. Volume - / Volume +: Volume control switch can adjust the volume when playing.
3. Headset hole: Headset interface. 4. USB 5V: Power supply input.
5. Reset hole: Short-press to turn off.