1. Alloy heat dissipation, intelligent refrigeration, refrigerator semiconductor intelligent physical cooling fast 2. The retractable buckle design can be used for 4-6.5 inch mobile phones 3. Non-slip foot pads, seven-color colorful lights 4. Effectively reduce the heat energy of the mobile phone, so that the mobile phone can be used more smoothly 5. Say goodbye to the game lag caused by high temperature, and make the mobile game process more smooth 6. Wire interface type: USB/Type-C 7. Cable length: 1.5M 8. Temperature: The lower limit cooling temperature is -5 degrees Celsius, and the working time is 5 minutes to 10 minutes 9. Working voltage: DC 5V 10. Working current: DC 1A-2A 11. Fan speed: 4200+/-10% rotation 12. Plug in the power cord to use, easy to operate 13. Weight: about 65g 14. Non-stretching die size: 79x58x38mm, the upper limit size of the drawing method: 102x58x38mm 15. Working width: 65-85mm