This Mini DisplayPort 1.2 cable lets you extend the connection distance between your Mini DP devices by up to 3 feet. The cable delivers the ideal solution for better placement of peripheral devices and can be used to connect your Microsoft Surface Pro 4, Surface Book, MacBook, MacBook Pro, MacBook Air, and other mDP enabled devices to Apple's LED Cinema Display or other Mini DisplayPort monitor. Simply connect your tablet or laptop to the extension cable using a standard Mini DisplayPort cable and connect the extension cable to your Mini DP monitor. The cable supports high resolutions of up to 4K x 2K (3840 x 2160) 60Hz with a maximum HBR bandwidth of 21.6Gbps. The cable also supports Multi-Stream (MST) for daisy chaining multiple monitors and provides optional audio support.