What's included:
Fitbit Inspire 3
Classic wristband (both small & large)
Charging cable
Memory
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
Materials
The Inspire 3 band is made of premium, comfortable silicone (similar to that used in many sport watches) and fastens with a plastic buckle and tang.
Compatibility
Google account will be required. See fitbit.com/devices.
The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:
Apple iOS 15 or higher.
Android OS 10 or higher. Android users can set up Inspire 3 faster with Google Fast Pair. See additional tips for Android phones here.
Syncing range: Up to 30ft
Certain features like smartphone notifications may require Android 10 +. Check your device compatibility.
Syncing requires Bluetooth® LE and internet connection.
Sensors & Components
3-axis accelerometer
Optical heart rate monitor
Vibration motor
Red and infrared sensors for blood oxygen (SpO2) monitoring
Ambient light sensor
Water Resistance
Swimproof (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. Learn more.
Heart Rate
Like all heart rate tracking technologies, accuracy is affected by physiology, location of the device, and different movements.
Band Size
Print this guide to find the right size for you. Both small and large sizes included in the box.
Small
Fits wrist 5.1" - 7.5" in circumference
Large
Fits wrist 6.3" - 8.7" in circumference
Dimensions
Length: 3.937 cm
Width: 1.8542 cm
Height: 1.1684 cm
Battery & Power
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
Care
Give your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn more.
Environmental Requirements
Operating temperature: 32° to 104°F
Maximum operating altitude: 28,000 ft | 
