BLACK SHARK Magnetic Cooler Compatible with iPhone 12/13/14 Portable Phone Radiator Cooling Fan Magnetic Cooler: This magnetic phone cooler is upgraded with a magnetic iron ring composed of 15 NdFeB, which only needs to be gently attached to the phone while use. The installation is simple, and it will not damage the phone and leave scratches 23 Drop in 1 Min: This phone cooler use TEC professional refrigeration chip and thermal silica gel pad, Magnetic cell phone heatsink equipped with 112 cooling columns and high-speed gears up to 7200 rpm, the phone temperature drops 23 Ultra-quiet: The radiator Noise-Reduction design allows you to comfortably watch games and videos. Since the Ultra-quiet, it is also recommended at the time of the voice chat and live broadcast 73g Lightweight and Compact: The compact smartphone cooler makes it convenient to carry Multi-device support: Magnetic cooler + magnetic sticker=all devices. Compatible with iPhone/Android smartphones/Switches/ iPads/tablets etc. Notes: 1. Some models require manual calibration when using a compass; 2. Devices with NFC function should avoid the NFC position when pasting magnetic pad; Otherwise, it will affect the use of NFC function; 3. Due to the metal material of the magnet, devices with wireless charging function will not be able to use the wireless charging function when using the magnet; 4. For Black Shark phone: Only supports for Black Shark 4/4S series phones; 5. It is not recommended to use this product for device with uneven or frosted rear cover. Package included: 1 x Phone Radiator Cooling Fan 1 x Magnetic Plate 1 x Cable 1 x English and Chinese User Manual Other items not include