1. Fast Heat Dissipation: This high-performance cooling fan keeps your base running at an optimal temperature, preventing overheating and extending the life of your switch. It cools down the OLED switch quickly when the switch gets too hot.2. 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.3. Blue Lighting Effect: Powered by USB cable, our cooling fan show blue lighting effect when you the button to turn on the fan.4. Easy to install: Just remove the back cover of the base, then snap the external cooler fan replacement base into the base, no tools or technical knowledge required.5. 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. Perfect for switching OLED gaming enthusiasts.Model: for Interface type: for Applicable products: for hostScope of application: cooling fanOS: for Connection method: plug and playWorking voltage: DC5VWorking current: 0.13AFan speed: 300010%r/minColour:blackMaterial:ABSSize:about 17 x 10cmPackage Contents:1 x cooling base1 x data cableOnly 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.