Lumia 2: Discrete wearable can measure blood flow

[Redaktion]

The Lumia 2 is a new and pretty unusual wearable that is not worn on the wrist or finger, but attached to the ear. It's designed to monitor blood flow and can also track other metrics such as heart rate variability.

https://www.notebookcheck.net/Lumia-2-Discrete-wearable-can-measure-blood-flow.1165943.0.html