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