The DIY version of the Ollee Watch one, which requires you to already have one of six different supported Casio watch models (including the F-84W, A159W, A171W, and W-59) is available now for $54.99.

As a smartwatch, however, the Apple Watch 11 is exceptional and beats the Forerunner 570. You can download endless apps to your watch, reply to messages on the move, and it truly is like having a ...

Correspondence to Dr Kirsten Corder, MRC Epidemiology Unit University of Cambridge School of Clinical Medicine Box 285, Institute of Metabolic Science Cambridge Biomedical Campus Cambridge CB2 0QQ UK; ...

A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...