Sony Micro USB Charging Dock DK52 for the Xperia Z3+ is now in stock via the Sony Mobile Store in Europe. The dock costs £29.99 in the UK and €39.00 within mainland Europe. As the name suggests, the dock offers an easy way to charge the phone via micro USB, but has no other functionality.
dock that it comes with three attachments to help the Xperia Z3+/Z4 fit, even with a case. If you live in Japan, then you may also want to check out the Solid Metal Charging Dock from MSY which comes in snazzy Gold and Silver colours.