Length: 1.55 in (39.32 mm)

Width: 0.73 in (18.6 mm)

Height: 0.46 in (11.75 mm)

Weight: 0.039 lb (17.69 g)

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

Operating temperature: 32° to 104°F

Maximum operating altitude: 28,000 ft

• 3-axis accelerometer
• Optical heart rate monitor
• Vibration motor
• Red and infrared sensors for blood oxygen (SpO2) monitoring. Not available in all countries. Not intended to diagnose or treat any medical condition or for any other medical purpose. Intended to help you manage your well-being and keep track of your information. Requires more frequent charging.
• Ambient light sensor
• Device temperature sensor (skin temperature variation available in the Google Health app). Only available in the Google Health app and only displays variation. Not available in all markets. Not intended for medical purposes. Significant changes in ambient temperature may negatively impact skin temperature tracking.

• AMOLED display
• Corning® Gorilla® Glass 3

Both small and large sizes are included in box.

• Small: Fits wrist 5.1″ – 7.5″ in circumference
• Large: Fits wrist 6.3″ – 8.7″ in circumference

Fitbit Inspire 3

Classic wristband (both small & large)

Charging cable

• Apple iOS 16.4 or higher.
• Android OS 11.0 or higher. See additional tips for Android phones here.

Syncing range: Up to 30ft