While Apple brings their latest line of computers to the cutting edge by introducing the Mini-DisplayPort, consumers who want to utilize their Mac's with their HDMI equipped HDTV's are forced to use separate audio and video connections.
This new adapter utilizes the power of USB to combine the benefits of Mini-DisplayPort video with USB's digitally synthesized audio and combines them into a single, convenient HDMI signal.

• Supports Mini DisplayPort 1.1a input, USB2.0 input and HDMI1.3b output
• Works by integrating Mini DisplayPort video source and USB audio source of the Mac into the HDMI output
• Getting the HDMI audio format through special USB Audio Decoding Chip 
• Powered from Mini DisplayPort and USB Port
• Supports HDMI 225MHz/2.25Gps per channel (6.75Gps all channel) bandwidth
• Supports HDMI resolution of up to 1080p
• Supports HDMI 12 bit per channel (36 bit all channel) deep color
• Supports uncompressed 2 channel audio such as LPCM