TopMate C5 12-15.6 inch Gaming Laptop Cooler, Five Quite Fans and LCD Screen，2500RPM Strong Wind Speed Designed for Gamers and Office ortable Laptop Cooling Pad creates a continuous and evenly dispersed air flow beneath your laptop to dissipate the heat generated by the CPU and GPU trapped in the laptop housing. It has great cooling power and all features you need while remaining slim, light weight, and quiet. b>Adjustable Height Settings  he unique design of this laptop cooling pad 5 height settings to position your laptop at ideal viewing and provides you with the most relaxing incline angle for all-day viewing. b>Button display screen switch, blue LED light utton display screen switch for adjusting the wind speed of five fans; blue LED light to better know wind speed status of the fans. (The brighter the light is, the faster the speed will be) b>USB Powered uilt-in 2 USB hub. This laptop cooling pad is conveniently powered by the USB port on your computer, with no power adapter needed. b>Specification Product Size: 350X300X40mm Fan Size: 120mmX1pcs, 65mmX4pcs Fan Rotating Speed: 2500RPM±10% Color: Black Material: Plastic + Metal Mesh Voltage: DC 5.0V Length of USB cable: 75cm Air flow: 15CFM Rated Current: 0.5A-0.79±5% b>Packaging include 1x k5 laptop cooling pad 1 x USB Cable b>Tips: b>Short press the switch button to start equipment.  b>Long Press the switch button to start the fan mode conversion.