ABS Plastic, Electronic Components, Lithium Battery, PP Blades
1.Power Button: press once to start and it is at low speed. Press twice and it will switch to medium speed. Press three times and it will switch to high speed. Press again to turn off. 2.You can charge the fan with Micro USB cable. Red indicator light on when charging and it will turn green after being fully charging. 3.You can turn on the fan when the battery power doesn't run out.4.It will be at low speed when charging.