Product information:
Noise: 37-45db
Material: ABS
Power type: USB
Color: blue type B, purple paragraph B, Green B style, pink type B, Green D style, D pattern purple color, pink D, blue D type
Motor type: brushless motor
Battery life: 1-3 hours
Fan blade material: Plastic
Shape: ordinary round
Fan Speed Mode: 2 gears
Size: 60x123x50mm