1、Quickly Cool Down the Phone: This radiator uses the refrigerator principle and uses semiconductor materials. After power on, the heat sink quickly works, and it can quickly reduce 59 degrees Fahrenheit in about 10 seconds. 2、Conveniant to Operate: Mobile phone cooler fan comes with a 9 feet type C data cable. You only need to plug it into your charger with 2A output or above or the power bank to start it. Super silent cooling fan speed is 7000r/min. 3、Powerful Phone Cooler Fan: If your phone often heats up when playing games, live streaming or watching videos, you need to buy a powerful radiator, which can quickly cool your phone and prolong the service life of your phone and battery. 4、Directly Contact with the Phone: In order to have a better user experience, when using the radiator, you need to remove the phone case so that the phone is in better contact with the phone, so that it can work better and cool down faster. 5、Applicable to Mobile Phone Sizes: This phone cooler is compatible with 5‑6.5 inches of for iPhone/for Android mobile phones/tablets of all models, suitable for 6.5‑12mm/0.26‑0.47in thickness mobile phone. Play a variety of games without worrying about fever.