Fitbit Charge 4 tech specs
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| Check price at: Amazon Best Buy Walmart Target |
| Weight | |
|---|---|
| Width | 22.7 mm (0.89 in) |
| Height | 35.8 mm (1.41 in) |
| Thickness | 12.5 mm (0.49 in) |
| Wrist size | 140.0 mm (5.51 in) - 220.0 mm (8.66 in) |
| Band width | |
| Water resistant | 5 ATM |
| Display size | |
|---|---|
| Display type | OLED |
| Display resolution | |
| Touchscreen | Yes |
| Always On |
| Cellular networks | |
|---|---|
| Wi-Fi | |
| Built-in GPS | Yes |
| NFC | Yes |
| Bluetooth | Yes |
| Operating system | Proprietary |
|---|---|
| Assistant | |
| Contactless Payments | Fitbit Pay |
| Make and Answer Calls | |
| Send text responses | Yes |
| Control phone music | Yes |
| Local music storage | |
| Storage |
| Sleep tracking | Yes |
|---|---|
| Fall detection | |
| Heart rate | Yes |
| SpO2 | |
| ECG | |
| Skin temperature sensor |
| Battery life | 7 days |
|---|---|
| Battery life in GPS-mode | 5 hours |
| Compass | |
|---|---|
| Barometric altimeter | Yes |
| Ambient light sensor | |
| Accelerometer | Yes |
| Gyroscope |
| Check price at: | Amazon Best Buy Walmart Target |
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