3-speed electric fan

Power supply method: USB
Whether to support charging: support
Wind class selection: normal wind
Air-conditioning fan type: single cooling type
Water tank capacity: none (L)
Ice Crystal: No comes with
Noise: below 40db
Rated voltage: 5 (V)
Rated power: 5 (W)
Rated frequency: 50 (HZ)
Fan blade diameter: 4.2 inches