Compare Fitbit Charge
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 |  |  |  |  |  | Add smartwatch to the comparison |
|---|---|---|---|---|---|---|
| Dimensions: | ? x 21 x ? mm | 38 x 18,3 x 11,8 mm | ? x 21,45 x ? mm | currently unknown | currently unknown | |
| Weight: | currently unknown | 30 gr | currently unknown | currently unknown | currently unknown | |
| Stand-by time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Call time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Announced: | 21 november 2014 | 21 august 2018 | 26 september 2016 | 25 august 2021 | 1 april 2020 | |
Design type | ||||||
| Fitness tracker: | ||||||
Controls | ||||||
| Directional key: | ||||||
| Touchscreen: | ||||||
Display | ||||||
| Monochrome display: | OLED | OLED | OLED | |||
| Colour display: | Adjustable display brightness, AMOLED, Always On feature | |||||
| Size: | 1.04 inch | |||||
Materials | ||||||
| Dirt and waterproof: | 5 ATM | 5 ATM | 5 ATM | |||
| Gorilla Glass: | 3 | |||||
| Aluminium: | ||||||
| Glass: | ||||||
| Plastic: | ||||||
Personal Information | ||||||
| Date and time notation: | ||||||
| Alarm clock: | ||||||
| Reminder list: | ||||||
Available applications | ||||||
| Pedometer: | ||||||
| Calories: | ||||||
Connectivity | ||||||
| Bluetooth: | v4.0 | v4.0 | v4.0 | v4.0 | v4.0 | |
| NFC: | ||||||
| Wireless Lan (WLAN/Wi-Fi): | ||||||
Power supply | ||||||
| Battery: | Li-ion | Li-ion | Li-ion | Li-poly | Li-ion | |
Sensors | ||||||
| Gesture recognition: | ||||||
| Altimeter: | ||||||
| Heart rate monitor: | ||||||
| Ambient light sensor: | ||||||
| Oxygen saturation (SpO2): | ||||||
Telephony | ||||||
| Vibrating alert: | ||||||
Connections | ||||||
| USB: | ||||||
Navigation | ||||||
| GLONASS: | ||||||
| GPS receiver: | ||||||
Compatibility | ||||||
| With Android: | From 8.0 | |||||
| With iOS: | Vanaf 12 | |||||
