1X G6 USB Powered Mobile Phone Heat Dissipation Cooling Fan Back Clip Game Cooler Cell Phone Cool Heat Sink Cellphone Cooler, Description: Adjustable: This mobile phone gaming cooling fan allows you to adjust its width and is suitable for 4.5-7.5 inch phones. High speed: With 500 RPM, this phone back clip cooler can quickly take away the heat and prevent the phone from overheating. Comfortable to use: This phone gaming cooling fan is non-slip and stable, tightly attached to your phone, and is not easy to drop. Good for phone: This phone back clip heat sink can reduce the temperature of the phone which is good for your phone's battery lifespan. Portable: This mobile phone cooling fan features a pocket-size design, so you can easily carry it when going out. Specification: Color: Black. Material: ABS. Input: DC 5V. Input current: 1-2A.