Fitbit Inspire 3 (New In Sealed Box)

Battery life of up to 10 days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. We recommend charging your tracker every few days to ensure you are always tracking. • Battery type: Lithium-polymer • Charge time (0-100%): Two hours • Radio transceiver: Bluetooth® Saves 7 days of detailed motion data, minute by minute Saves daily totals for past 30 days Stores heart rate data at 1-second intervals during exercise tracking and at 5-second intervals all other times Water resistant to 50 meters. After getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry.