Do you have an Xperia Play? If so, you might want this new dock. Sony Ericsson just announced the new DK300 media dock. This dock allows you to charge you phone and output sound via a 3.5 mm headphone jack. There is no pricing on this dock as well as no HDMI connectivity. Though the DK300 is lacking these features, it’s still a cool accessory and the first one we have seen that had audio output. Sony has made a video demonstrating this new dock, which you can view here.
Source: Android Central