Connect a HDMI TV to a computer's USB 3.0 port Supports video resolutions up to 2048 x 1152 (60Hz), 1080p (60Hz) Features 512MB DDR2 SDRAM of memory Compatible with Intel Mac OS X 10.8.5 and later, Supports Mac 10.11. Supports both 32- and 64-bit. Supports Surface tablets running non-RT Windows 8, 8.1 and 10 Compatible with Windows 7 and later. Supports both 32- and 64-bit. 1-Year Limited Warranty