1.Long press for three seconds (on / off)
2. Touch key, cycle switching speed.
3. Work: blue light.
4. Charging: Red light.
5. Full of electricity: blue light is bright.
6. Lack of electricity: Red light flashes.
Product name: USB Portable Hanging Sports Fan
Power consumption: 0.3-1.2W
Material: ABS plastic
Color: green, blue, pink, black, white
Quantity: 1 piece