User Manual
Back Function Introduction
1.HOLD( ON / OFF): Lock/unlock switch control (you need to unplug the button to the OFF
position before starting it). -ON: key lock -OFF: Unlock
2. Volume -/ Volume +: The volume control switch can adjust the volume under the playing
state.
3. Earphone hole: Earphone jack. 4.USB 5V: power input
5.Reset hole: Short press to shutdown
Charging Instructions
Check if the supply voltage on the power adapter type board corresponds to the local power
supply.
1. Plug the power adapter cable into the >>USB 5V<< socket.