Comply with USBC interface specification, builtin conversion chip, plug and play. 2port USB3.0 expansion port, can be connected to U disk, hard disk, mouse and many other USB devices. The HDMI output terminal supports up to 3840 x 2160P/30HZ video resolution, and the output device can be a highdefinition display, LCD TV, etc. 4K 2K (3840 x 2160) HD TV, backward compatible with 1080P 720P, etc. Highspeed USB, the maximum power supply reaches 4.5w, with better performance. MADE FOR ; MACBOOK 2018/2017/2016,MACBOOK PRO 2018/2017/,iPAD PRO 2018,MIMTENDO, SWITCH , CRHOME BOOK,HUAWEI MATE20/MATE20 PRO, SAMSUNG S8/S9/NOTE8/NOTE9,HP SPECTREPAVILION, HUAWEI MATEBOOK DELL XPS SERIES , MI AIR AND SUPPORTS MOBILE PHONES AND TABLETS WITH DP FUNCTION