Usb 2 port cooling cooler fan pad stand for laptop and macbook with led lightfeatures:1.200mm big fan design, very low noise and super heat cooling function. Wide-screen design of surface, which improve the efficiency of the cooling function. Reasonable angle design of cooling pad and totally consideration of ergonomics4. The espanded of usb function, which considerate about the needs of the users5. Power switch able6. No need for any installation7. Extend the life and functionality of your laptop8. Convenient, reliable and comfortable to carryspecifications:1. Fan quantity: one2. Cooling type: air3. Bearing type: hydraumatic4. Weight: 18.41 oz / 522 g5. Material: abs plastics6. 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 inchpackage includes:1 x usb laptop cooling cooler pad.