INVESCH Laptop Cooling Pad,12"-17" Cooler Pad Chill Mat 5 Quiet Fans with LED Lights and 2 USB 2.0 Ports 5 Section Adjustable Mounts Stand Height Angle Unique tilt notebook cooler scheduling multi-file to adjust the design,comfortable angle of elevation of a better environment designed to meet the demand for more healthy. 5 Built-in fans (big fan: 5.9", small fans: 2.76") with Blue LEDs. Fan speed can be adjusted Dual USB hub allows for connecting more USB devices.Plug and play, no external power supply is needed, no software installation is required. Use a unique Non-slip pad design to ensure the safety of the use of wide-angle,Ergonomic stand with 6 adjustable height settings to play games or watch movies at the most comfortable angle.