Compatible with Mac computers with Mini DisplayPort and Thunderbolt ports 
-  Will work with Mini DisplayPort or Thunderbolt ports on Apple equipment 
-  Suitable for Ultrabooks equipped with a Mini DisplayPort connector 
-  Convert from Mini DisplayPort to 4K2K HDMI 
-  20 Pin Mini DisplayPort Male to HDMI Female 
-  Supports all the latest 4K Ultra HD TV's with resolution up to 3840 x 2160 (2160p) 
-  Supports HDMI 1.4 to display 4K at-30Hz 
-  Use an external display in either extended desktop mode or mirrored desktop mode 
-  Supports audio output (Multichannel audio output from Mini DisplayPort supported on Macs released mid 2010 and later, Host DisplayPort device must output audio signal. Check with host DisplayPort vendor) 
-  Corrosion-resistant connectors designed for maximum conductivity and low signal loss 
-  OEM: MD-HD4K-AD