Description : The (Thunderbolt  ) Mini DisplayPort to HDMI Adapter lets you connect a high definition monitor, projector, or LCD that uses a HDMI cable to a MacBook, MacBook Pro, or MacBook Air with a mini DisplayPort Features 1.Supports: Mini DisplayPort input and HDMI output latest versionHDMI highest video resolution 1080p. HDMI225 MHz / 2.25 Gbps per channel (6.75Gbps all channel) bandwidth. HDMI 12 bit per channel (36 bit all channel) deep color. Uncompressed audio such as LPCM. Compressed audio such as DTS Digital, Dolby Digital .(including DTS-HD and Dolby True HD) 2.Powered by Mini DisplayPort source ( Thunderbolt )3.Connectors: Mini DisplayPort Male to HDMI Female 4.Length : 15cmCompatible with :iMac 27”