【Ultra-quiet, Lightweight】The phone radiator uses 25 dB noise reduction design. Made of aluminum alloy, hard, drop resistant, light weight. 【Advanced Dual Cooling Fan】The mobile phone radiator has intelligent and advanced dual-core refrigeration semiconductor technology, and the dual-core fan has a large cooling area, and the cooling area is 4.13*1.7inch. 【Versatile】The mobile phone cooling fan has RGB dazzling lights, and the lights are very beautiful and moving. It also has a temperature display, which is very smart. It can also connect to a live mobile phone holder, which is very convenient. 【Universal Compatibility】The mobile phone cooling fan is suitable for Apple and Android smart phones (for devices 2.67-3.46 inches wide). Scientific design: PVC rubber is clamped at both ends of the radiator to protect the two ends of the mobile phone screen from being hurt,. 【Games, live streaming essentials】 : For gamers, and video bloggers, the mobile phone radiator is a must-have product, it can make your phone more smooth, solve the problem of heat on the back of the phone.The dual-core refrigerator has a larger cooling area and a better cooling effect. 【method of application】Plug in the typec data cable to the radiator of the mobile phone. 2. Long press the key for 2 seconds to start. Press + or - symbol, the temperature can be adjusted, the temperature control range is 0-40 degrees, the maximum drop temperature difference is 15-20 degrees.