| Introduction Time | 2019, September | - |
|---|---|---|
| Availability Status | Available. Released November 2019 | Available, released to market |
| Size and Dimensions | 40 * 40 * 11 millimeter (mm) | 43.2 x 35.2 x 10.5 mm |
|---|---|---|
| Product Weight | - | 59.4 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Aluminum body / Water resistant up to 1 meter deep / Silicone band | Metal body / Water resistant up to 5 ATM (50 meters deep) |
| Display Technology | AMOLED / Square | |
|---|---|---|
| Screen Size | 1.3 inch | 1.55 inch |
| Display Resolution | ||
| Screen protector type | Gorilla Glass 3 | - |
| Display Technical Details | Color touchscreen | - |
| OS Version | Fitbit proprietary OS / Compatible with Android and iOS | Proprietary OS compatible with Android and iOS |
|---|
| Internal Memory Capacity | Storage capacity for over 300 music tracks | - |
|---|
| Battery Type and Capacity | Lithium Polymer | Non-removable 260 mAh battery (fully charged in 2 hours) |
|---|---|---|
| Battery Standby Time |
| Smart Sensors | Accelerometer, Compass, Pedometer, Heart rate counter, Altimeter | Accelerometer, heart rate sensor, blood oxygen sensor (SpO2), watch wear detection, skin temperature measurement sensor |
|---|---|---|
| Other Features and Capabilities | Amazon Alexa voice assistant | - |
| Communication Technologies | No | No cellular connectivity |
|---|
| Bluetooth Support | Yes, Version 4.0 | Version 5.1 |
|---|---|---|
| GPS Support | Yes | No |
| NFC Support | Yes | No |
| Wireless Network Type | - | No |
| USB Connections Type | - | No, charges via proprietary charging dock |
| Available Color Options | Black | Black |
|---|
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