Wrap your wrist with built-in GPS, over 40 exercise modes, a daily readiness score, and advanced sleep tracking for just $133.

BRADENTON BEACH, Fla. – When Paris Hoisington and her family found a message in a small bottle on the beach last month, it seemed the story had ended with the bottle’s 4,600-mile, eight-year journey.

Check that your Android phone works with the Fitbit app before setting up your device. Personalize your dashboard and notifications to match your fitness goals and preferences. Sync your Fitbit ...