Saves 7 days of detailed motion data, minute by minute1
Saves 1 day of workout data
Saves daily totals for the last 30 days
Stores heart rate data at 2-second intervals
Battery and power4,11
Battery life of up to 7 days. We recommend charging your tracker every few days to ensure you are always tracking.
Battery type: Lithium-polymer4
Charge time (0-100%): 90 min11
Quick Charging: 1 day of battery life in 5 min11
Radio transceiver: Bluetooth 5.03
Materials
The Fitbit Air housing is made of recycled polycarbonate and PBT plastics.2 The band is made of textile and has a stainless steel buckle.
Packaging uses 100% plastic-free materials.
Sensors & components
Optical heart rate monitor6
3-axis accelerometer + gyroscope
Red and infrared sensors for oxygen saturation (SpO2) monitoring7
Device temperature sensor (skin temperature variation available in the Google Health app)8
Vibration motor
Band size
Textile and polyurethane:
One size
Wrist size: 130-210 mm around
Silicone:
Small wrist size: 130-175 mm around
Large wrist size: 165-210 mm around
Water resistance
Water resistant up to 50 metres. 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.9,10
Heart rate6
Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.
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.
Compatibility
Google Account required and Google Health App. See g.co/fitbit/airsupport12
The Google Health app is compatible with most smartphones. To set up and use your Fitbit products and services, you must install the Google Health app on a compatible device running one of the following operating systems:
Android 11.0 or higher
Apple iOS 16.4 or higher
Syncing range: Up to 30 ft
Syncing requires Bluetooth® LE, an internet connection, and location permissions granted on the phone3
