Product name: waist fan
Product list: host1 built-in battery 1800/mAh2 USB charging cable1
Product size: 9560102mm
Battery capacity/mAh: 1800 mA2 sections = 3600 mA (18650 model) Output power/W: 3.6W
Motor speed: high-grade wind power is about 4200 rpm, low-grade wind power is about 2900 rpm
Battery life: about 4 hours for high-end, 8 hours for mid-range, and 20 hours for low-end
