Using ABS material, it has good heat dissipation and durability, anti-extrusion and impact resistance. High-speed centrifugal motor wind speed, strong heat dissipation, high efficiency, the fan can be quiet to eliminate noise problems, and avoid interference when playing, listening to music or watching videos. Connect this phone cooler with the charging cable and plug it into any USB power port. Both the mobile power supply and the USB charging head can provide power, and the plug-and-play function is very convenient. The semiconductor cooling system can cool down in 3 seconds. The heat sink can quickly cool down the phone and prolong the service life of the phone. Effectively prevent the phone from overheating when playing games or watching videos. The body is small, easy to carry, and can be used anytime and anywhere without continuous heat. It is the best choice for you to play games, watch dramas and play games for a long time without blocking the screen. Use retractable spring clips that won't damage your phone. Strong compatibility, compatible with all 4-6.7 inch mobile phones.