Compare Fitbit Charge 4
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| Dimensions | not yet known | 38.6 x 33.3 x 11.4 mm |
| Weight | not yet known | 26.7 grams |
| Stand-by | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage |
| Fitness tracker | ||
| Watch | ||
| Touchscreen | Capacitive | |
| Voice command | ||
| Monochrome display | OLED | |
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), AMOLED | |
| 1.34 inch | |
| 272 x 340 pixels | |
| 5:4 | |
| 325 | |
| 44% | |
| Dust and waterproof | 5 ATM | IPX7 |
| Gorilla Glass | ||
| Vibrating alert | ||
| Integrated handsfree speaker | ||
| Alarm clock | ||
| Date and time notation | ||
| Reminder list | ||
| Stopwatch & countdown timer | ||
| Calories | ||
| Pedometer | ||
| Photo album | ||
| GPS receiver | ||
| Build-in navigation system | Apple Maps | |
| GLONASS | ||
| USB | ||
| Bluetooth | v4.0 | v4.2 |
| NFC | ||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | |
| Synchronisation | ||
| Battery | Li-ion | Li-ion |
| 273 mAh | |
| Altimeter | ||
| Gesture recognition | ||
| Heart rate monitor | ||
| Ambient light sensor | ||
| Barometer | ||
| Gyroscope | ||
| watchOS | 4.0 | |
| Processor | Dual Core | |
| Microphone | ||
| Internal memory | ||
| 512 MB | |
| 16 GB | |
| With iOS | 8.3+ | |
