Product Advantages: Seven-story cooling design 1. Aviation alloy polycooled panel 2. Cold current laminated panel 3. Large size refrigeration silicone grease 4. Super silent cooling system 5. Annular duct heat dissipation technology 6. Quick cooling system 7. Tightly fit the mobile phone for fast heat dissipation Product Specification: Model Number: SL17 Product Color:Black/White Product Port:Type-C Product size: 59mm * 23mm Net weight of product: 56g Rated power: 5V 2A Product Material: ABS+Aluminum Alloy+Ceramic Ordinary type: There are no digital displayed. The display screen is is just for decoration and has no function. Digital type: with digital displayed. The display screen can show the temperature. Packaging list: TYPE-C Data Cable * 1 Certificate of Conformity * 1 SL17 Radiator * 1