Features: 1.Portable Size: With small size lightweight design you can put it into your pocket and tack it to everywhere as your like and enjoy the Switch games. 2.Turn on TV Mode: Multiplayer game.Support Switch original/other PD chargers charge and expand the large screen at the same time.Switch on TV mode need to connect power supply and HDMI-compatible at the same time charger power needs to be greater than 39W. 3.4K Resolution: Play games more clearly HDMI-compatible interface supports 4K resolution screen output.Switch currently only supports 1080P/60Hz and the product can reach 4K resolution when connected to other computers/mobile phones. 4.USB3.0 Interface: Expansion + transmission.Various peripherals can be connected the transmission speed can reach 5Gbps. 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications : Material: ABS Cable length: 17cm HDMI-Compatible size: 6*6*1cm Package size: 17.3*7.5*1.7cm Input: USB3.1 Output:HD Interface: 4K30HZ/1080P 60HZ PD Power Supply: 100W USB3.0: 5Gbps includes: 1 * Docking Station