1. [Large air volume cooling] Turbo ventilation channel design, strong wind power, blowing away the heat of the phone. 2. [Three adjustable] three gears can be freely adjusted, different gears different wind speeds, suitable for different scenes. 3. [Large capacity, long life] 300mAh battery strong power storage, fast cooling, long life can be used without plugging in. 4. [Seven-blade turbine wind speed] adopts suspended copper brushless motor, high speed and also silent. 5. [Immersive experience] noise reduction air duct design, silent and senseless, easy to score. Specification: Input current: 0.26A Fan speed: 1600 rpm Charging interface: Type-C Power: 5W Packing list: 1 * cell phone radiator + 1 * charging cable