From JisuLife
Brand: Jisulife Model: Handheld Fan Life7 Colour: Grey Rated voltage,current: 5.0V=2.0A Battery Cell: Lithium-ion battery Battery Capacity: 3600mAh(13.32Wh/3.7V) Working Power: 5W MAX Fan Speed: 5.1m/s MAX Charging Time: 2.5-3.5hours(3600mAh) OperatingTime: 2.5-13hours(3600mAh) •(depending on the service at different levels/usage scenarios) For JisuLife items warranty service and support: Address: 150, Ubi Ave 4 #04-01 Ubi Biz-Hub, 408825