How to Use: After installation, connect the power supply for using. Specification: Item Type: Phone Cooler Weight: Approx.110g / 3.9oz Material: ABS+PC Model: GTO6 Refrigeration Principle: Semiconductor Refrigeration + Fan Cooling Input Current: 2 4A Input Voltage: 5V 12V Fan Speed: 7 Leaves 6000 RPM Applicability: It Is Suitable For 62 92mm / 2.4 3.6in Width Mobile Phones Package List: 1 x Radiator 1 x Type C Charging Cable