Newest USB Portable Personal Hanging waist Fan With Recharge Battery Ultra quiet Wearable Electric Fan handheld Air Conditioner

 

Waist fan

Model: YDFS
Battery capacity: 6000mAh
Working hours: 8-20H

Model: N20
Battery capacity: 5000mAh
Working hours: 4-13H

Model: YJ-541A
Battery capacity: 4000mAh
Working hours: 3-7H

Model: MD-F856
Battery capacity: 2000mAh
Working hours: 2-7.5H

Little tips: please kindly check spec of each models.(Different models of battery mAh are different)