The cold feeling of the radiator makes you feel like putting your phone in a refrigerator. The phone temperature may reach up to 50 Celsius degree when you play PUBG Mobile. With the controller the temperature could be decreased to 30 Celsius degree. The controller is equipped with 7500RPM powerful fan, takes away the heat of the phone rapidly. It won't get hot and get stuck even though you play with high frame rates and HDR graphics in PUBG Mobile.