Features: Micro USB rechargeable, convenient to use. Quick disassembly and assembly, does not affect the flight. Strong motor power,strong wind and soft sound, let the phone cool down instantly. The fan has a long battery life,up to 120 minutes at the maximum wind speed,and eliminates heat generation. Three different wind speed modes can be switched with one for key,and the wind under your control. Specifications: Material:Plastic Application: For Mavic 3/Mini 3 Pro/Air 2s/Mini 2 Size:Apporx.3.8x7x3 for cm/1.5x2.76x1.18 inches First gear usage time: About 7 hours Second gear use time: 230 minutes Third gear use time: 120minutes Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Cooling Fan