The Silent Semiconductor Mobile Phone Cooler is a fast cooling device designed to keep your mobile phone cool during intense gaming sessions. It features a heat dissipation system equipped with a fan, a heat conductive aluminum block at the hot end, and a semiconductor refrigeration sheet at the refrigeration module. This allows for rapid cooling when the device is powered on. One of the key advantages of this mobile phone cooler is its long battery life. It can be powered by a charging treasure or a USB charging head, making it convenient to use. The built-in 7500 rpm DC motor ensures that the cooler operates silently, so you can enjoy using your phone without any noise disturbance. With the mobile phone radiator, your phone will not overheat, saving energy and extending battery life. It supports clip widths of 67-90mm and has a soft silicone mat to ensure stability without causing any damage to your phone. The Silent Semiconductor Mobile Phone Cooler is available in black or silver color options. Please note that the actual color of the item may vary slightly from the pictures due to monitor differences. Additionally, please compare the detail sizes with yours and allow for a 1-3cm error in measurements due to manual measurement. If you encounter any problems with the product, please contact us before leaving negative feedback. Thank you for your understanding. Key Features: Fast cooling device for mobile phones Silent operation with noise-reducing motor Long battery life with multiple power supply options Supports clip widths of 67-90mm Soft silicone mat for phone stability Available in black or silver color Heat dissipation system with fan and aluminum blocks Semiconductor refrigeration sheet for rapid cooling