Operation:
1.Insert the adaptor into the DC Socket;
2.Press ON/OFF button,the projector start working ;
3.Two gears for the speed control switch,press once it turns slow,press again it turns fast;
4.To be sound mode ,just twist the voice control button to right side until the laser light off,make some voice the laser will light .
5.Twist the voice control button to left end it will work automatically.
6.Working hours recommended:less than 5 hours continual use.