Features:1.200mm big fan design, very low noise and super heat cooling function2. Wide-screen design of surface, which improve the efficiency of the cooling function 3. Reasonable angle design of cooling pad and totally consideration of Ergonomics 4. The expanded of USB function, which considerate about the needs of the users 5. Power switch cable 6. No need for any installation 7. Extend the life and functionality of your laptop 8. Convenient, reliable and comfortable to carry Specifications:1. Fan Quantity: One2. Cooling Type: Air3. Bearing Type: Hydraumatic 4. Weight: 18.41 oz / 522 g5. Material: ABS Plastics 6. Color: Black7. Dimensions: 12.91 x 12.6 x 1.38 / 32.8 x 32.0 x 3.5 cm (L x W x H)8. Fan Dimensions: 7.87 / 20 cm9. USB Length: 18.89 / 48.0 cm10. Speed: 500 RPM11. Powered: USB12. Voltage: 5V DC13. Rates Current: 0.25A14. Compatible Size: 12 Inch to 17 Inch Package Includes:1 x USB Laptop Cooling Cooler Pad".