Nokia is adding Bluetooth 4.0 Low Energy (LE) to every Windows Phone 8 device that it has made, with an imminent update adding support for the low-power wireless technology.
Bluetooth Low Energy is a connection standard used by newer low-power accessories, such as smart watches, heart rate monitors and personal activity trackers. The wireless chipset in every Windows Phone 8 Nokia Lumia supports the tech, but Nokia hasn't enabled it just yet.
With the most recent Amber update, Nokia switched on Bluetooth 4.0 LE support for the Lumia 520, 620, 625 and 720, and the upcoming Black update will extend the support to the entire Windows Phone 8 Lumia family. It's likely that Bluetooth LE will be available from launch in any future Nokia Lumia devices, like the and .
There's no set date for the Nokia Black update's release just yet, though. According to The Verge, Black will add a few other features, including a customisable lock screen that can show more notifications.