USB Charging Small Fan Student Desktop

Product information:

Power supply: USB
Product features: mute
Noise: below 36dB
Rated voltage: 2
Rated power: 5.5W
Operation mode: mechanical
Colors: White, Black
Built-in battery capacity: more than 4000 mAh
Motor Type: Brushless Motor
Number of fan blades: 5
Size: 5 inches
Battery life: more than 12 hours

Battery capacity: 5000mAH polymer lithium battery (3.7V/14.8WH)
Working hours: 20 hours in the first gear, 10 hours in the second gear, 6 hours in the third gear,
Charging time: about 3-4 hours
Product size: 14*18*7CM

Packing list:

Fan*1+ data line*1