1、ADVANCED TECHNOLOGY: Phone cooler uses the latest semiconductor cooling radiator technology, which can instantly cool your device and keep your mobile device at the optimal temperature without darkening the screen, freezing or shutting down automatically due to high temperature. 2、EXCELLENT COOLING EFFECT: Mobile phone cooler adopts powerful turbo fan to double the cooling effect, TEC algorithm refrigeration system, Instant Cooling Technology 3 times enhanced cooling. 3、MAGNET ADHESION: Cell phone cooler built‑in magnetic core design, fast induction, close adsorption of the phone. It is silent and won't affect you playing games or watching movies. 4、INTELLIGENT TEMPERATURE CONTROL: Mobile phone cooler adopts intelligent temperature control, long lasting cooling, always keep your cell phone running at low temperature. Small and compact size, easy to carry. 5、PREMIUM MATERIALS: Magnetic cell phone cooler is made of premium aviation aluminum, ABS and ice porcelain, full of ice feeling and excellent cooling effect.