Fitbit Air
- Screen None
- Battery life up to 7 days
- Water resistance 5 ATM
- Sensors 3-axis accelerometer, gyroscope, Optical heart rate monitor, Red and infrared sensors for oxygen saturation (SpO2) monitoring, Device temperature sensor
- Date May 2026
Specs
General
| Physical size | 34.9 x 17 x 8.3mm |
| Material | The Fitbit Air housing is made of recycled polycarbonate and PBT plastics. The band is made of textile and has a stainless steel buckle. |
| Charging | USB, Charge time (0-100%): 90 min; Quick Charging: 1 day of battery life in 5 min |
| Battery | Lithium-polymer |
| Battery life | up to 7 days |
| Water resistance | 5 ATM |
| Weight | 5.2 g without band; 12g with the band |
| Display type | None |
| Display size | None |
| Display resolution | None |
| Color options | Various |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | No |
| Compass | No |
| Galvanic skin response | Yes |
| Geomagnetic | No |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | Yes |
| Temperature | Yes |
| GPS | No |
| GALILEO | No |
| GLONASS | No |
| QZSS | No |
| Beidou | No |
| Ambient light sensor | No |
| Vibration motor | Yes |
| Microphone | No |
| Speakers | No |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes |
| Floors | No |
| Sleep | Yes |
| Heart rate | Yes |
| Stress | Yes |
| Blood oxygen | Yes |
| Respiration rate | Yes |
| UV exposure | No |
| Skin temperature | Yes |
| Hydration level | No |
| HRV | Yes |
| ECG | No |
| Calorie intake | No |
| Blood pressure | No |
| Glucose | No |
| Other | Stores heart rate data at 2-second intervals |
Daily smart features
| Smartphone notifications | No |
| Smartphone music control | No |
| On-board music storage | No |
| Connected pay | No |
| Cellular | No |
| Connectivity | Bluetooth 5.0 |
| Operating system | FitbitOS |
| Memory | Saves 7 days of detailed motion data, minute by minute, Saves daily totals for the last 30 days |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.
