[Semiconductor cooling chip]: This mobile phone radiator is equipped with 2 semiconductor cooling chips, bringing you a larger cooling area. Unlike traditional mobile phone radiators, our semiconductor mobile radiator can cool down in one second. [Temperature display and adjustment]: Yes! [Stylish silent fan]: This mobile radiator is equipped with dual silent cooling fans below 28.5dB and dazzling LED lights to enhance your experience. It is very suitable for Tiktok live broadcast, games, driving, watching videos, outdoor, etc. [Package included]: mobile phone radiator, 5V/2A cable (C to C), product description, live phone holder connector. Product model: K4 Product size: 111*77*29mm Power supply: 5V2A Product material: ABS+PC+Aluminum alloy Temperature display: Yes Temperature adjustment: Yes Packing list: mobile phone radiator + power cord + universal wheel connector + product description Note: 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.