Usage Tips:Features: Supports desktop or laptop USB3.0 input Video output support: HDMI signals, HDMI support 1.3b USB3.0 backward compatibility support Supported display functions: display, extended display, mirror display Output resolution HDMI: Support 480P or 576P or 720P or 1080P Computer OS Support: Windows XP or Vista or Windows 7 (32 or 64 bit) or Windows 8 (32 or 64 bit) or Windows 8.1 Support multiple screen function (Windows system supports up to 'to 6 screens, more screen support, lower resolution) output to HDTV, projector, etc. synchronous. Very easy to use Metal shell, better quality and more durable Specifications: Name: USB 3.0 to HDMI USB Input: USB 3.0 Backwards compatible with USB2.0 HDMI Resolution: UP TO 1080P or 60HZ Highest Speed: 5.0 Gbps Cable Length: 150mm, standard USB 3.0 cable Operating Current: 300mA Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.