Color:White,GreenMaterial: ABS, TPUSize: 198 x 197 x 60MMWeight:365gBattery capacity: 4000mAhOutput power: 4.5WInput voltage: DC5VPower supply: USBDescription:The turbine port and the semi-enclosed air inlet make the working easier, and the large-capacity 2000mAh battery ensures a long-time working time, which can be charged fully about 2h.The 360 degrees wind provides you with a cooling environment because there are designed with 78 holes, and you can adjust the wind speed according to your need, there are designed with 3 levels for choosing.The cooling fan works with stable and good performance, making sure your security, and you can operate it easily.This air fan is portable because of the proper size and lightweight, which is a good accessory for travelling, sports, working, playing and other outdoor activities.This kind of cooling fan adopts bladeless motor and multilevel air flue, making sure a low noise when working, making your life and work more convenient.