Features: brand new and high quality Compact, Lightweight and Portable Switch fans with dust-proof back cover. This product is specially used for heat dissipation of N-Switch host. Two cooling fans, low noise, large air volume, efficient heat dissipation. The structure is simple to operate and supports dual-mode heat dissipation. Working voltage/current: DC5V/500mA. Basic operation of the product: Connect the product USB plug to the N-Switch dock or the USB port of the DC5V power supply, press the power switch, the product is turned on, and the fan starts to work, press the power switch again to shut down the product. Support desktop mode and N Switch host mode. Specifications: Material:ABS Working voltage: for DC 5V Working Current: 500mA Product Size: approx.184x42x62mm/3.31X1.65X2.44" Color: White, Black Package Includes: 1 x USB Cooling Fan note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measurement deviation due to manual measurement.