LED-Visual Interface Design, Set Lights And Fan Speeds Effortlessly Through the visual interface design of the LCD screen, you can clearly see the fan speed gear (Max, the fan speed increases in sequence), and the RGB light mode. Set lights and fan speeds effortlessly: control lights and fan easily via the built-in control panel including light mode button, and wind speed adjustment button. Dual USB 2. 0 Ports, Phone Stand Dual USB 2. 0 Ports and power switch design, will not occupy the laptop USB port, allows for connecting more USB devices. Strong compatibility, Ergonomic Stand the laptop cooling pad is compatible with almost large laptops from 12 inch to 16 inch. Build with big non-slip baffle, effectively prevent laptop slipping off. Equipped with ergonomic stand and 4 level adjustable height setting to help you to get the most comfortable angle when playing games, watch videos or doing work for all-day reviewing.