1、Close Fitting: Convex magnetic heat dissipation, spring type refrigeration pieces can closely attach to the mobile phone; Equipped with magnetic ring for different mobile phones, tablet and other heating electronic equipment; The cooling effect is good and quiet, achieving fast refrigeration. 2、Durable and Main Function: ABS and aluminum alloy material, generally can be used for more than 5000 hours. Semiconductor radiator cooler can prevent the phone from overheating while playing game consoles, and extends the life of the phone and battery. 3、Fast Cooling: The fan revolution can be as high as 7000 rpm and the noise value is less than 22dB. This radiator uses semiconductor cooling to avoid overheating, preventing mobile phones from shutting down. Suitable for gamers, video bloggers, live broadcast or keeping mobile phones cool at the hot summer day. 4、Lightweight and Mute: Mobile phone radiator has a lightweight. Even if you play games for a long time, your hands don't get tired. Mute design without rotating sound, you can enjoy the gaming and watching. 5、Application Range: Suitable for all models of for Android phones, for IOS phones and tablets with a size more than 4.5inch. Play all kinds of games without worrying about heat. Plug and play with USB power supply. As long as there is electricity, the phone magnetic semiconductor cooler can be used continuously for 24 hours. It is equipped with a 1.2m type C cable. Simply plug it into a charger or portable power supply with 2A or above output to start.