USB Portable Fan Cold Fan Hands Free Neck Fan Hanging Rechargeable Mini Sports Fan 3-Speed Adjustable Neck Dual Fan Home Outdoor
Name: Head-mounted portable double-headed fan
Material: ABS/PP plastic
Battery life: 4-10 hours (depending on the wind speed)
Charging time/charging display: about 4 hours/when charging, the indicator light flashes, full and long.
Battery capacity/model: 1200mAh/18650 lithium battery/3.7V.
Instructions for use/gear: key switch/3rd gear.