Withings has launched the next version of its Pulse activity tracker, now called Pulse O2. The new device allows users to measure their blood oxygen levels, which help users understand the efficiency ...

There are currently plenty of fitness trackers available to monitor your daily activity, however if you are looking for something a little bit more refined and capable of monitoring your blood oxygen ...

Apple has stopped selling a number of fitness tracking devices in its stores recently, including Withings Pulse O2 Activity Tracker, and, as Re/Code reported this morning, Jawbone Up24, Nike FuelBand ...