Orei HD-U2H Digital USB to HDMI Converter OREI USB to HDMI Audio Video adapter designed to enable a simple and cost effective way for extending and connecting your Windows or Mac computer to a second in high-definition. Mac users can now utilize up to three displays showing stunning content from; the notebook screen, a second display via the Mini DisplayPort to your Apple LED Cinema Display and the third from the USB port to your HDTV. Set-up is easy for those who have plugged a USB cable or any other USB peripherals before. You just need to install a software once, which is included with the converter, then plug and play. Compatible with: Mac OS X - Snow Leopard 10.6.2, Leopard 10.5.8, Tiger 10.4.11 or Later (Mac must be Intel-based) Windows - Windows 7 (32/64bit), Windows Vista (32/64bit), Windows XP (32bit) Includes - Orei HD-U2H Video Converter - Software CD - User Manual Warranty - 1 Year Manufacturer"s Warranty - Lifetime Orei Support