Double-headed Wrist Hanging Fan Usb Large Capacity Portable Power Emergency Light

Product information:
Noise: 36-45dB (included)
Power type: lithium battery
Color: 157 double-headed dark gray, 157 double-headed white
Whether to use USB: Yes
Motor type: brushless motor
Fan blade material: Plastic
Operation mode: piano style
Size: wrist ceiling fan
External dimensions: 157 * 83 * 83mm