Function Buttons:
1. Long press three seconds (turn on / off)
2. Touch key, cycle switching speed.
3. Working: blue light flash.
4. Charging: red light flash.
5. Full of electricity: blue lights bright.
6. Electricity shortage: red light flash.

Specifications:
Product Name: USB Portable Hanging Sport Fan
Power Consumption: 0.3-1.2W
Material: ABS Plastic