Specifications:USB audio/video converter uses an available USB port on your computer to connect an HDTV, monitor, or projector with HDMI.Adds an additional display when the other video ports on your computer are occupied. An HDMI cable (sold separately) is required.USB 3.0 to HDMI adaptor leverages superspeed USB 3.0 bandwidth up to 5 Gbps for the best performance.Functions like an external graphics card to deliver smooth high definition video to your HDTV or monitor.Supports video resolutions up to 2560 x 1440 with HDMI. Supports flawless audio pass-thru for Dolby TrueHD, DTS Master Audio, and more.Backwards compatible with USB 2.0.Portable USB to HDMI adapter with a bonus travels easily in a laptop bag. Ideal solution for Surface Pro or MacBook Air users that need toconnect to a projector or monitor when traveling.Simple installation with drivers and user guides on the included CD or available for download.Extend the display of a laptop to a monitor or mirror screens for a presentation on a projector.Supports multiple monitors with additional adapters. No external power required with USB bus power for Windows and Mac,compatible for Windows 10/8.1/7/Vista/XP and Mac OS X 10.11/10.10/10.9/10.8 (audio and video) 10.7/10.6/10.5 (video only).Monitor MultitaskingThe cable matters USB 3.0 to HDMI adapter is an easy way to connect a display with HDMI to a computer with an available USB port.Add a monitor to a computer without HDMI or add an additional display when the other video ports on your computer are occupied.Arrange the connected monitor in primary, extended, or mirror mode. Connect a display with DVI using the included HDMI to DVI adapter for videoonly. Create more space around your desktop by connecting a 3 feet cable matters USB 3.0 extension cable.Important NotesSeparate cable required - An HDMI cable is not included.Not bi-directional - Adapter only operates from USB to HDMI.Smooth HD video - Minimum i5 Core 2+ GHz CPU to prevent video lag.For Mac audio support - Requires v10.8.5 or above.CompatibilityFor Windows: 10/8.1/8/7 (64/32 bit) XP SP2 32 bit.For Mac: 10.11 El Capitan 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion (audio and video).For Mac: 10.7 Lion, 10.6 Snow Leopard (video only).Type: AdapterMain Color: WhiteInput: USB 3.0 MaleOutput: HDMI FemaleMaterial: Aluminium Alloy Shell, PVC, Copper Core, 24K Gold PlatedVideo Resolution: up to 2560x1440 (HDMI)Audio Support: 2 Channel, LPCM (HDMI only)Supports hot swapping.Supports extensions and copy modes.Length: 125mm/4.92" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.