Our quick take

Withings Pulse Ox - 4.0 / 5

Small, simple design

Activity tracking

Heart rate and blood oxygen levels

Sleep tracking

Withings Health Mate app

To recap

The Withings Pulse Ox is a brilliant activity tracker that offers a small, simple and sophisticated solution to health monitoring. Its defining feature of recording blood oxygen levels certainly isn’t a good enough reason alone to buy it, but coupled with all the other functions, you have a cracking product that won’t disappoint those that run or walk as their primary activity.