MHL 3.0 does 4K video output, 10W charging and data transfer over a single cable
 

You may have already followed the announcement of Sony's Xperia Z2 and Xperia Z2 Tablet last week, but did you know that they are also the first mobile devices to feature MHL 3.0? For those who haven't caught up, this standard allows 4K video output...

http://www.engadget.com/2014/03/03/m...=rss_truncated