Withings Updates Its Pulse Activity Tracker With Blood Oxygen Monitoring

 Withings pretty much nailed the activity tracker with the Pulse activity tracker, which features a built-in heart rate sensor that uses pulse oximetry (just like the Galaxy S5). Now, it has updated that product with new sensor capabilities with the Pulse O2. The O2 can also measure blood oxygen level (hence the name) and offers a new bracelet mount for improved wrist-borne wearing. Existing Pulse… Read More