| Introduction Time | August 11, 2021 | |
|---|---|---|
| Availability Status | Available, released August 27, 2021 | Available. Released December 2017 |
| Size and Dimensions | 41.5 x 41.5 x 11.2 mm | Circular with a body diameter of 46 mm |
|---|---|---|
| Product Weight | 46.5 gram (g) | 60 gram (g) |
| Compatible SIM Card Types | Yes | No |
|---|---|---|
| Other Body Features | Withstands 5 ATM pressure / Made of stainless steel and ceramic / 22mm band / Silicone band |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.19 inch | 1.34 inch |
| Display Resolution | 300 x 320 | |
| Screen protector type | Corning Gorilla Glass DX+ | 2.5D heat-treated glass |
| Display Technical Details | Always-on display | - |
| Multi-Touch Capability | - | No |
| OS Version | Android Wear OS compatible with Android 6 with 1.5GB RAM and later / One UI Watch 3 | Compatible with Android and iOS equipped phones |
|---|---|---|
| Chip Model | Exynos W920 (5nm) | - |
| CPU |
|---|
| Internal Memory Capacity | 16GB with 1.5GB RAM | 4GB, 512MB RAM |
|---|
| Speaker Type | Yes | - |
|---|
| Battery Type and Capacity | Non-removable 247 mAh battery | Non-removable 280 mAh Li-Po battery |
|---|---|---|
| Battery Standby Time | Up to 40 hours | - |
| Smart Sensors | Accelerometer sensor, Gyroscope, Optical heart rate sensor with SpO2 (blood oxygen level calculation) capability, Electrocardiogram, Barometer | Accelerometer, light sensor, geomagnetic sensor, gyroscope, heart rate sensor, barometric pressure sensor, VO2 Max |
|---|---|---|
| Messaging Method | Received notification alerts / Display text messages | Received notification announcement / Display received emails |
| Other Features and Capabilities | - | Step counting / Distance traveled calculation / Calories burned calculation / Suitable for various sport activities with "Xiaomi Sports" app / Wireless headphone connectivity for music playback without phone / Suitable for running |
| Communication Technologies | Released in LTE and WiFi models (LTE model not usable in Iran) | - |
|---|
| Wireless Network Type | Yes | |
|---|---|---|
| Bluetooth Support | Bluetooth 5.0 | |
| GPS Support | Yes, with A-GPS, Glonass, Beidou | Yes |
| NFC Support | Yes | - |
| USB Connections Type | No, charges via proprietary magnetic port | - |
| Available Color Options | Black, Silver | Black |
|---|---|---|
| Global Price Range | - |
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