Bluetooth Support | Yes, Version 5.3 | Yes, Version 4.0 |
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NFC Support | No | Yes |
Wireless Network Type | No | - |
GPS Support | No | Yes |
USB Connections Type | No, charges via proprietary charging dock | - |
Introduction Time | February 2024 | 2019, September |
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Availability Status | Available, released to market | Available. Released November 2019 |
Compatible SIM Card Types | No | No |
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Other Body Features | Aluminum body / Water resistant up to 5 ATM (50 meters deep) / IP68 certified for water and dust resistance (1.5 meters deep for 30 minutes) | Aluminum body / Water resistant up to 1 meter deep / Silicone band |
OS Version | FreeRTOS compatible with Android | Fitbit proprietary OS / Compatible with Android and iOS |
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Internal Memory Capacity | 256MB with 16MB RAM | Storage capacity for over 300 music tracks |
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Speaker Type | No | - |
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Alert Type | Vibrate | - |
Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level calculation) capability, Accelerometer, Gyroscope, Air pressure sensor, Ambient light sensor | Accelerometer, Compass, Pedometer, Heart rate counter, Altimeter |
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Messaging Method | Received notification announcement / Display text messages | - |
Other Features and Capabilities | - | Amazon Alexa voice assistant |
Communication Technologies | No cellular connectivity | No |
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Available Color Options | Gray, Silver, Pink | Black |
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Product Weight | With Strap: 36.8 g / Without Strap: 18.5 g | - |
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Size and Dimensions | 42.9 x 28.8 x 9.9 mm | 40 * 40 * 11 millimeter (mm) |
Screen Size | 1.6 inch | 1.3 inch |
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Display Technology | - | AMOLED / Square |
Display Technical Details | - | Color touchscreen |
Screen protector type | - | Gorilla Glass 3 |
Battery Type and Capacity | - | Lithium Polymer |
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