Specifications
Memory
- Saves 7 days of detailed motion data, minute by minute
- Saves daily totals for the last 30 days
- Stores heart rate data at 2-second intervals
Battery and power
- Battery life of up to 7 days. We recommend charging your tracker every few days to ensure you are always tracking.
- Battery type: Lithium-polymer
- Charge time (0-100%): 90 min
- Quick Charging: 1 day of battery life in 5 min
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 monitor
- 3-axis accelerometer + gyroscope
- Red and infrared sensors for oxygen saturation (SpO2) monitoring
- Device temperature sensor (skin temperature variation available in the Google Health app)
- 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 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.
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.
Dimensions (without band)
- Length: 1.4 in (34.9 mm)
- Width: 0.7 in (17 mm)
- Height: 0.3 in (8.3 mm)
Weight
- 0.01 lb (5.2 g) without band
- 0.03 lb (12 g) with band
Compatibility
- Google Account required and Google Health App.
- 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 phone
What’s in the box
- Google Fitbit Air tracker
- Wristband
- USB-C Charging Cable
