Withings invented the first hybrid smartwatch with the stylish and elegant appearance of a traditional watch and health monitoring functions including heart rate monitoring, activity tracking, and sleep monitoring. In addition, it features 25-day battery life and is waterproof to 5 ATM. The watch is used with a mobile app and all the detailed overview is delivered to the app so that you can check any time with your phone. Enjoy heart rate tracking day & night plus continuous tracking during workouts. Steel HR automatically counts steps and recognizes walking, running, swimming or sleeping. If you wear Steel HR to bed it will automatically track light and deep sleep cycles, duration, and sleep quality via the Sleep Score. Plus, the Smart Wake-up feature can get you out of bed at the best time according to your sleep cycle.
