Features: 1. One-button display switch, host and TV screen interface switch freely. 2. Unique heat dissipation structure design, so that the host will not be unable to dissipate heat, display game card machine, crash phenomenon. 3. The base designed by the principle of mechanics is no longer worried that the product is not solid. 4. Using the HDMI 2.0A version of the 4K video output scheme, so that the game picture becomes clearer. 5. Play while charging design, get rid of the host can not see the display problem in the original seat, easily charge while playing a game on the desktop. 6. Support USB3.0 function. 7. Add 2xUSB2.0 functions. 8. Indication mode: Blue light: Instruction for host insertion; Turn off the blue light: SWITCH host dialing or TV screen return to SWITCH host screen. Specifications: Item Type: Type C to 4K HDMI with USB 2.0 3.0 Hub for Nintendo Switch One-button switching mode: Switch screen and TV screen. Material: Plastic Size: 9 x 7 x 4 cm Type C female port input voltage: DC 15V 2.6A Model Number: HC-A3566 Compatible Brand/Model: Nintendo Specification: EU Package List: 1 x Charging Dock