Sony's XZ2 Premium is up for pre-order in the US, but won't ship until July 30. To help ease the blow of its US$999 price tag, Sony is throwing in a set of its futuristic Xperia Ear Duos for customers who pre-order the device.
https://www.notebookcheck.net/Sony-offering-free-a-pair-of-US-279-Ear-Duos-with-XZ2-Premium-for-pre-order-in-the-US.315582.0.html