This new audio accessory made by Binatone and branded by Motorola is available for purchase only in the UK at this time, for a price of around US$105. These earbuds come with a charging case and work with both Google Now and Apple Siri.
https://www.notebookcheck.net/Motorola-Stream-wireless-earbuds-coming-to-the-US-next-month.240754.0.html