NEXFAN Hanging Neck Fan Portable Hands Free Rechargeable 3 Speed Settings Summer Cooling Perfect For Outdoor Activities

Battery capacity: Lithium ion polymer battery 1800mAH * 2
Voltage: Voltage: 5V
Cooling wafer temperature reduction range: 6-9 degrees
Working current: 1A
Product size: 18.2x20x6cm
Plug: 5V2A USB plug
Charging time: 1.8 hours
Endurance: small air volume 18 hours / stroke volume 12 hours / high air volume 8 hours
(Additional cooling chip time is 3 hours (small air volume) /
2 hours and 35 minutes (stroke volume) / 2 hours and 10 minutes (high wind volume)
Power display: blue light (100-70%) / blue-red flashing (70-20%)

/ Red light (below 20%, please charge)