KKmoon New 1080P USB 3.0 to HDMI Multi Display Adapter for HDTV LCD TV PC Laptop With compact portable design.Hot swap, Plug and Play, no needs reconfiguration. Superspeed USB 3.0 (5 Gbps) interface, backward compatible with USB 2.0. Supports a widescreen aspect ratio of 16 : 9 for full HD and 1080P video streaming. USB-powered, no external power adapter required, low power consumption. Widely used for multi-media teaching, video conferencing, stock price monitoring, office work and many other situations requiring more than one display.