effectively prevent laptop slipping off. 5 Fans to help your laptop reduce crashes. 1 year warranty and 30 days money return warranty. Powered by:USB, Packaging, Dimensions:43 x 30 x 4CM, 1 x USB Cable, 4 Fan Cooling Pad for 14'-17' Laptops with USB Powered Quiet Cooler Fan Portable Stand: Computers & Accessories. Just buy with confidence, Build with big non-slip baffle. LED Lights:Green, Compatibility:14-17 Inch Laptop. built-in dual-USB hub allows for connecting more USB devices. Specification, 1x laptop cooling pad, Color:Black, Independent ON/OFF Switch:Yes, Buy 4 Fan Cooling Pad for 14"-17" Laptops with USB Powered Quiet Cooler Fan Portable Stand: Cooling Pads & External Fans - ✓ FREE DELIVERY possible on eligible purchases, USB Port: 2, Fan: 5, Dual USB Ports and LED Light, Adjustable height to fit different needs when using your laptop. Extra usb port and wind speed switch design. convience for carry when go travel.