Fast Heat Dissipation: This high-performance cooling fan keeps base running at an optimal temperature, preventing overheating and extending the life of your switch. It cools down the quickly when gets too hot. Blue Lighting Effect: Powered by USB cable, the cooling fan show blue lighting effect when you press the button to turn on the fan. Easy to install: Just remove the back cover of the base, then snap the external cooler fan replacement base into thebase, no tools or technical knowledge required. Small and Portable: This cooling fan is small and light, easy to carry. Just connect it to the dock and enjoy hassle-free gaming anytime, anywhere. Compatibility: Our cooling fan replacement is only designed for docking station. Not for Switch or other models. Please check and confirm your device model before purchasing. Model: for Interface type: for Applicable products: for host Scope of application: cooling fan OS: for Connection method: plug and play Working voltage: DC5V Working current: 0.13A Fan speed: 300010%r/min Colour:A:Black Material:ABS Package Contents: 1 * Cooling Fan 1 * Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.