Technical Parameters: 1. The refrigerator semiconductor intelligent physics cools rapidly. 2. The retractable buckle design can be used in 4-6.5" mobile phones. 3. Wired radiator with Type-C interface. 4. Effectively reduce the heat energy of the mobile phone and make the mobile phone use more smoothly. 5. Say goodbye to the lag in the game due to heat, and make the mobile game process more smooth; 6. Alloy heat dissipation, intelligent refrigeration, 7. Non-slip foot pads, colorful lights in seven colors. Product Parameters: 1) Wire interface type: USB/Type-C 2) Engine type (optical/laser): wired 3) Cable Wire length: 1.5M 4) Temperature: the lowest cooling temperature is -5°, working time is 5 minutes to 10 minutes 5) Working voltage: DC 5V 6) Working current: DC 1A-2A 7) Fan speed: 4200±10% revolution 8) Weight: about 65g 9) Size of non-stretching mode: 79*58*38(mm) 10) Product gross weight: 137.3g 11) Color box packing size: 12.5* 9 * 4.5cm 12) Maximum size of stretching mode: length 102mm*width 58mm*height 38mm 13) The maximum working width is 85mm. The minimum working width is 65mm (the width of the product attached to the mobile ph Package Includes: 1 x Mobile phone radiator 1 x Type-C power cord 1 x Anti-scratch silicone sheet 1 x User's manual Instructions: ①The telescopic buckle design is 4-6.5 inches wide mobile phone clip. ②Plug in the power cord and it is ready to use.