The base is only 26 grams, with a small size and lightweight design, you can put it in your pocket and take it with you and enjoy Switch games in TV mode or for Samsung 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 HDMI-compatible ports. No additional drivers are required. Note: Since for Nintendo Switch itself only supports 1080P output, it can reach up to 1080P It has 4K HDMI-compatible, USB 3.0, and 100W Power Delivery charging ports. The three ports can be expanded simultaneously to meet your various needs. The transmission speed of USB3.0 can reach 5Gbps. Perfectly supports USB C devices such as for Nintendo Switch, for Mac Book Air / for Mac Book Pro, for Samsung S22 S21, etc. [Note] This USB C adapter is suitable for Nintendo Switch or for Samsung DEX mode and requires external power supply. It is recommended that you use the for original-switching charger or a charger with an output greater than 39W to avoid affecting normal use. Colour:As Shown Material:ABS Package Contents: 1 * hub expansion dock