LB1 High Performance Super Cooling Fan Cooling System Cooling Pads Foldable Plastic Gadget with 2 Fans (Pink) Two fans provides more air flow. High thermal heat dissipation prevents overheating. Great ergonomic shape for simple type. Support low noise. Helps notebook to operate at full speed even while running high performance applications. Cool blue light with stylish design. Foldable - Lightweight and compact - Perfect for portable user. Powered by 1 USB cable. Plug-and-play: no drivers or software needed. Rated Voltage: DC 5V. Speed: 2500 RPM. Noise Level: 25 dBA. Fan Life Expectancy: 25000 hours. Bearing: Rifle. USB Port: 2. Fan Dimensions: 2.75 x 2.75 x 0.5 inches.