• 3 wind speeds adjustable

• Low noise, long life

• Powered by 18650 li-ion rechargeable battery

• Full charging can work for 2-6 hours

• Comes with a neck string, you can hang the fan on your neck

• This fan can be connected with computer, power bank or other USB port devices via USB cable to charge

• Great for climbing, running, camping, hiking, sporting, studying, office, etc.

Specification:

• Material: ABS

• Input voltage: 5V

• Input current: 0.5-1A

• Output voltage: 5-9V

• Output power: 4.5W max

• Speed: 3

• Work time: 2-6 hours

• Charge time: about 4 hours

• Battery type: 18650 li-ion battery

• Size: 120 x 88 x 38mm

• Weight: 185g (battery included)