Features: Adsorbs firmly and does not fall off. Comes with silicone for protection, does not hurt the phone, does not scratch your hands. Superconducting alloys dissipate heat, increase the heat dissipation area and speed up the heat dissipation. The product is embedded with a magnetic sheet, which is seamlessly pasted, and the magnetic suction radiator can be directly adsorbed and used. It is attached to the back of the cell phone and used with a radiator to increase the heat dissipation area to cool the CPU and camera of the cell phone. Specifications: Material: Aluminum Alloy, for Silica Gel Size: Height: Approx. 104mm/4.09in Bottom Width: Approx. 63mm/2.48in Upper Width: Approx. 27mm/1.06in Note: Please notice this product needs to be used with a cell phone radiator. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Cooler Pad