New 20000 MA Double-cylinder High-speed Rotating Four-gear Adjustable Long-lasting Outdoor Wrist Hanging Fan

Product information:
Noise: above 70db
Power type: lithium battery
Whether to use USB: Yes
Motor type: brushed motor
Fan blade material: Plastic
Additional features: Cooling
Number of blades: 5
Operation mode: normal button
Size: 170*65*70
Fan Speed Mode: 4 gear
Style: Outdoor