Fans Mini Ventilator Silent Table Outdoor Cooler Neck Fan

Can choose battery capacity
1000 mAh 1st gear about 2 hours(1 St gear)
2000 mAh 1st gear about 3-6 hours(1 St gear)
3000 mAh 1st gear about 7-9 hours(1 St gear)
4000 mAh 1st gear about 10-18 hours(1 St gear)

1.Input: DC5V 0.8A(MAX)             

2.Power consumption: 3W     
3.Size: 11*4.3*3.2inches
4.Weight: 260g (0.57lb),Gross weight:403g
Package list:
1 * Stroller Fan;1 * Built-in Battery;1 * USB Charging Cable;1 * User Manual