Product Guide :Teach Video : https://www.youtube.com/watch?v=REs1NWTmAys1. This product needs an external power when use to Nintendo Switch or Samsung DEX Mode. (Use to Nintendo Switch need original AC adapter or above 15V 2.6A AC adapter.The original power of switch is the best choice to keep you battery durable.)2. Please waiting 2-3 seconds when all connections finish.3. Support Nintendo Switch sleep mode. Press the Nintendo Switch power button to wake Switch need waiting 2-3 seconds when all connections finish.4. In order to cooling Nintendo Switch, please don’t cover thermovent.5. Work with Gamecube Controller Adapter. It works perfectly with your Switch setup which includes a gamecube adapter for smash. Just plug gamecube adapter to 2 USB ports.Features :1. Multifunction. GZZ USB C Adapter = Nintendo Switch Dock +Samsung DEX Station + MacBook Converter + USB C Converter.2. Plug and play. No extra driver is needed.3. Multi-port. USB3.0 + USB2.0 + HDMI + PD Charging Port = 4 in 1 USB C Hub.4. Full Compatibility. It is universal to most device with a USB-C connection.5. Aluminium alloy texture. Better feeling and heat dissipation.6. Lightweight and pocket size. You can put it into your pocket and tack it toeverywhere as your like and enjoy the Switch games or Samsung DEX mode in TV mode.Colour :Space GreyPackage Includes :1*GZZ USB Type C Adapter.1*Specification. After-sales service : Take the utmost care in product. Our designers and engineers meticulously oversee the quality of each aspect and keep our customers satisfied. GZZ provide 12-Month Worry-Free Warranty and Free Lifetime Technical Support.If you have any questions or concerns about the product, please feel free to contact us.Thank you.