With 40+ training modes, the Versa 4 records more sports than any Fitbit before - and shows you your stats live. With continuous heart rate monitoring, you can always track your heart rate in real time. Whether it's steps taken, distance covered or calories burned: With all-day activity tracking, you can see the results of your efforts in numbers. Keep an eye on messages and app notifications from your smartphone The thin, lightweight design keeps you comfortable around the clock - whether you're exercising or out at night With at least 6 days of battery life, you'll enjoy more independence. Thanks to the water-resistant housing, which is waterproof to a depth of 50 m, the Smartwatch can also be taken to the swimming pool. In the Fitbit app, you can view all your data from activity to nutrition to hydration and track your progress. With a premium membership, you can get more out of the Versa 4 and improve your health and fitness even more. On-screen goal celebrations provide extra motivation. Your personal sleep profile makes it easy to track the quality of your night's rest and see how you can improve it. Women can record their periods and document symptoms with cycle tracking in the Fitbit app. The Versa 4 is compatible with most popular smartphones running the latest version of Android or iOS.