Battery type: lithium polymer battery
Battery capacity: 4000mAH (3.7V / 14.8WH)
Working hours: low speed mode - 8 hours, moderate speed mode - 5 hours, high speed mode 3.3 hours
Charging time: about 3-4 hours
Product size: 109 * 80 * 49mm/4.29*3.15*1.93in
Packing size: 120 * 100 * 55mm/4.72*3.94*2.17in
Product weight: fan - 220g, with package weight - 270g
Product speed: low speed - 4500 rpm, moderate speed - 6000 rpm, high speed - 7000 rpm
Packing List:
Host for Fan * 1
USB Cable * 1