1、COOL DESIGN: Cell phone cooler is designed for mobile gamers, live streamers, bloggers and others who use their devices for long hours. The body is made of metal and ABS. It will emit a cool light when connected to a power source. 2、UNIVERSAL COMPATIBILITY: The semiconductor mobile phone cooler features a linear damping retractable clip that is easily adjustable to fit most cell phones with a width of 6 to 8 cm/2.4‑3.1in. 3、FAST COOLING: Using semiconductor technology, the same refrigeration principle as refrigerator, instead of normal fan cooling. Built in large cooling plate, cools instantly when connected to a power source without waiting to avoid overheating, ensuring to stabilize your live streaming or gaming experience. 4、QUIET COOLING: Quiet design fan can efficiently emit air from all directions to provide stronger cooling effect without interrupting your gaming or video blogging programs. 5、POWERFUL WIND, MAGNETIC WIRELESS CHARGING: Semiconductor Mobile Phone Cooler is equipped with 7 blades high speed wheel air volume, 360 degree circulation strong air supply. Magnetic wireless charging technology, charging technology speed up 300 percent.