4K resolution, ultra-high-definition image quality, supports up to 4K video output, switch up to 1080P video output Multi-function three-in-one, Switch expansion is more useful, Switch host expands large screen, charging and playing, heat dissipation and portability 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<br><br>Name:3 in 1 Applicable:for Switch Interface:-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<br><br>Package Contents: 1 * <br><br>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.