Features: The cooling system is equipped with fans, the cooling module is equipped with semiconductor cooling fins, and the hot and cold ends are equipped with thermally conductive aluminum blocks. The mobile phone radiator has a built-in 7500 rpm DC motor, which can reduce noise, so it will not produce any noise when using the mobile phone. Semiconductors can be quickly cooled by energizing them. Use the mobile phone radiator, the mobile phone will not get hot, not only can save energy, but also extend the battery life. The battery has a long service life, and the power bank and USB charging head can supply power, plug and play, which is very convenient. Compatible with most mobile phones on the market, the widest can hold a 7.2-inch mobile phone, will not hurt the phone, with a soft silicone pad, the phone is very stable. Package Includes: 1PC x Radiator 1PC x USB line Specifications: Material: ABS Resin +Aluminum Color: Black/White Power supply: 5V/2A Power supply: USB line Cable length: 1.5 meters Model: width is 65-87mm note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!