Fitbit Charge 4
- Screen 1.57 inch OLED monochrome display
- Battery life up to 7 days
- Water resistance 5 ATM
- Sensors 3-axis accelerometer, Optical heart rate monitor, Pulse Ox, GPS, Vibration motor, NFC chip for Fitbit Pay, Altimeter
- Date March 2020
Specs
General
| Physical size | 42.7mm x 28.8mm x 12.5mm (H x W x D) |
| Material | Built of more lightweight material including an aerospace grade aluminum case and Corning Gorilla Glass 3 display. The housing and buckle are made of anodized aluminum. |
| Charging | USB |
| Battery | Lithium-polymer |
| Battery life | up to 7 days, or up to 5 hours with GPS. |
| Water resistance | 5 ATM |
| Weight | 30 grams |
| Display type | OLED full touchscreen, TFT |
| Display size | 1.57 inch |
| Display resolution | 100 x 160 pixels |
| Color options | Two case colors: Graphite and Rose Gold |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | Yes |
| Compass | No |
| Galvanic skin response | No |
| Geomagnetic | No |
| Gyroscope | No |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | Yes |
| Temperature | Yes |
| GPS | Yes |
| GALILEO | No |
| GLONASS | Yes |
| 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 | Yes |
| 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 | Guided breathing, Female Health Tracking, Spotify control |
Daily smart features
| Smartphone notifications | Yes |
| Smartphone music control | Yes |
| On-board music storage | No |
| Connected pay | Yes |
| Cellular | No |
| Connectivity | Bluetooth, WiFi |
| 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.
