Features: brand new and high quality Dual 12cm ultra-quiet fans with a speed of 1200rpm, which can dissipate heat quickly with no output. Ergonomic design, 4 height adjustment levels to meet various needs. The color light mode on the side of the laptop's radiator is controlled by independent buttons with dual usb ports, usb power, a borrowed and a returned usb port, without occupying the laptop's usb port. Strong compatibility, suitable for 12-17 inch laptops (best suited for 12-15 inch for es), even if the laptop size exceeds the radiator size, it will not affect heat dissipation. Cool RGB lighting, enhances enjoyment and gaming experience, breathing rgb light effects on left and right sides. Specifications: Material: plastic iron mesh Fan speed: 1200-10% rpm Rated voltage: for DC 4.5 ~ 5V Power: 1.25~4.0W Working current: 0.25 ~ 0.9A Fan size: approx. 120x120x20mm/4.72x4.72x0.79in (2 pcs) Product size: approx. 410x270x30mm/16.14x10.63x1.18in Package Includes: 1PC x Laptop RGB Cooler note: Due to different monitor and light effect, the actual color of the item may be slightly different from the color shown in the pictures. Thanks! Please allow 1-3mm measurement deviation due to manual measurement.