What this radiator can offer you is that it not only has built-in powerful turbofan to cool your phone down quickly but also is silent, does not interfere with the use of the phone. With support for 2 levels of adjustment, this cooler will meet your phone's needs for different levels of heat dissipation. And it is a clamp design, easy to install and convenient to use. It is made of high-quality PC, aluminum, and silicone material. The length of this product is 8cm and width is 6cm. It is suitable for 4.0-inch to 6.7-inch phones. Item Name: Cooling Fan Material: PC, Aluminium, Silicone Interface Type: Type-C Applicable Products: Smartphones Between 4.0 to 6.7 Inches. Support: 2-Speed Semiconductor Phone Cooling Input Voltage And Current: 5V/2A Features: Powerful Turbo Fan, Simple Installation, Clip Design Size Details: L: 8cm/3.15", W: 6cm/2.36"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cooling Fan 1 x Data Cable