1. 3 seconds cooling phone radiator: Mobile phone radiator uses a semiconductor cooling element, which can reduce the CPU temperature to about 15°C in 3 seconds. The builtin speed gear with 5000 rpm and semiconductor heat dissipation method can quickly cool down the smartphone, reduce CPU consumption, solve the situation of cell phone crash or automatic shutdown due to excessive heat, and can also extend battery life. It can satisfy the cooling needs of all players. 2. USB power supply: Use builtin battery. Due to the watercooled radiator, the weight of the radiator is greatly reduced. The radiator is powerful and equipped with a 1.5m USB data cable. 3. Silent compact: It is very cool. The compact size is easy to carry. The radiator weighs only 65g. The silent design suppresses noise generation, does not disturb, so there is no need to worry about affecting the sound of the drama and does not hinder chatting. You don't have to worry about inconvenience to those around you. You can enjoy and watch. 4. Expandable clip nonslip: Compatible with various models under 4.5 6.5 inches such as for iPhone / Samsung / Huawei / Android. The cooling fan has a nonslip pad and is firmly fixed on the smartphone without damage. The flexible and convenient silica gel frosted mobile phone case is firmly attached to the edge of the cooler to prevent the mobile phone from falling or being damaged.