Whithings Pulse O₂ £99.95.
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Slim, Sleep And Fit Gadgets
7. Whithings Pulse O₂ £99.95.
The Whiting Pulse O₂ tracks activities such as exercise, sleep and heart rate and syncs everything to the Whithings Health Mate app. What's more the Pulse O₂ monitors oxygen in the blood making it ideal for mountain climbers, athletes, and people with breathing problems. Available from withings.com.