Mini Ultra-high Speed Little Fan Handheld Portable Charging

Product information:
Power type: USB
Noise: 36dB(A)-45dB(A)(inclusive)
Color: DS23 rock Gray (normal version),DS23 retro m (normal version),DS23 rock Gray (refrigeration version),DS23 retro m (refrigeration version),
Motor type: brushless motor
Rated Voltage: 5
Number of blades: 3
Rated Power: 5
Operation mode: normal button
Applicable area: 195mm * 85mm * MM
Fan Speed Mode: 5 gears