FEATURES: - Sleep Stages & Sleep Score See your time in light, deep and REM sleep and get a daily Sleep Score in the Fitbit® app and on your wrist to better understand your sleep quality each night.
- Built-In GPS During outdoor runs, rides, hikes and more, use built-in GPS to see your pace & distance without your phone, then see a map of your workout route in the Fitbit app.
- Call, Text & App Notifications Get notifications for calls, texts, calendar events and apps like Gmail and Facebook—plus send quick replies and voice replies right from your wrist. Available when phone is nearby. Replies on Android only.
DIMENSIONS: - 1.59in L x 1.59in W x 0.49in H - Small: Fits wrist 5.5" - 7.1" in circumference - Large: Fits wrist 7.1" - 8.7" in circumference
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