Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The base is only 26 grams, with a small size and design, you can put it in your pocket and take it with you and enjoy in TV mode or DEX mode The docking station supports video resolutions up to 4K (3840*2160P/30HZ) and is compatible with most HDTVs, monitors, projectors and other devices with -compatible ports. No additional drivers are required. Note: Since Switch itself only supports 1080P output, it can reach up to 1080P It has 4K -compatible, USB 3.0, and 100W Power Delivery charging ports. The three ports can be expanded simultaneously to meet your needs. The transmission speed of USB3.0 can reach 5Gbps. Perfectly supports USB C devices such as Switch, for Book Air / for Book Pro, S22 S21, etc. [Note] This USB C adapter is suitable Switch or DEX mode and requires external power supply. It is recommended that you use the for original-switching charger or a charger with an output 39W to avoid affecting normal use. Colour:As Shown Material:ABS Package Contents: 1 * hub expansion dock 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.