Multi-function three-in-one, Switch expansion is more useful, Switch host expands the large screen, charging and playing, heat dissipation and portability HDTV mode, HDTV supports 4KX2K resolution, backward compatible with 1080P, 720P and other large-screen games for fun Efficient heat dissipation, built-in high-performance cooling chip, low-temperature operation not damage your machine, escort your machine Mobile phone expansion large screen, support mobile phone connection -compatible to large screen, TV large screen lectures and watching more convenient Colorful RGB lighting effect one-button switch Name:3 in 1 Applicable:for Switch Interface:USB2.0*1,-compatible*1,TYPE-C*1,USB3.0*1 Colour:black Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * 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.