Supports HDMI highest video resolution 1080p. Supports Mini DisplayPort 1.1a input and HDMI 1.3b output. Supports HDMI 225mhz/2.25Gbps per channel (6.75Gbps all channel) bandwidth. Supports HDMI 12bit per channel (36bit all channel) deep color. Supports uncompressed audio such as LPCM, including DTS-HD and Dolby True HD. Supports compressed audio such as DTS Digital, Dolby Digital. Suitable for MacBook, MacBook Pro, MacBook Air ,and iMac with Mini DisplayPort. Also other Mac computers with Mini DisplayPort. Length: 24 cm.
Please note that not all Mac Computers' Mini DisplayPort support audio output. Audio support is only available for MacBook Pro 13/15/17-in mid-2010 release; iMac 21.5/27-in early-2010 release.