The KAKU KSC-1740 is a magnetic cooling radiator from the DONGJI series designed to prevent mobile phones from overheating during intense use. It utilizes semiconductor technology with variable frequency to lower temperatures down to -10°C, supported by a fan that reaches speeds of 6000 rpm. This cooling power is delivered through a build of aluminum alloy, ABS, and thermal conductive silicone, ensuring efficient heat transfer away from your device. To fit a wide range of iOS and Android devices, the cooler features a dual mounting system consisting of a strong magnet and a detachable elastic clip. The compact 62.5 x 26.6 mm frame is powered via a USB Type-C interface with a 10W output, while multicolored RGB lighting adds a visual accent to the black finish. It is a practical choice for mobile gamers or power users who need to maintain stable performance during long sessions.