| Introduction Time | August 11, 2021 | 2019, June |
|---|---|---|
| Availability Status | Available, released August 27, 2021 | Available. Released August 2019 |
| Size and Dimensions | 40.4 x 39.3 x 9.7 mm | 42 * 35 * 12.5 millimeter (mm) |
|---|---|---|
| Product Weight | 25.9 gram (g) | 25 gram (g) |
| Compatible SIM Card Types | Yes | No |
|---|---|---|
| Other Body Features | Metal body, plastic band / Water resistant up to 30 meters deep |
| Display Technology | Color | |
|---|---|---|
| Screen Size | 1.19 inch | 1.28 inch |
| Display Resolution | ||
| Screen protector type | Corning Gorilla Glass DX+ | Scratch-resistant 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 | Huami proprietary |
|---|---|---|
| Chip Model | Exynos W920 (5nm) |
| CPU | - |
|---|
| Internal Memory Capacity | 16GB with 1.5GB RAM | Stores 60 seconds of ECG data |
|---|
| Speaker Type | Yes | - |
|---|
| Battery Type and Capacity | Non-removable 247 mAh battery | Non-removable 200 mAh 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 | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor |
|---|---|---|
| Messaging Method | Received notification alerts / Display text messages | - |
| Communication Technologies | Released in LTE and WiFi models (LTE model not usable in Iran) | - |
|---|
| Wireless Network Type | - | |
|---|---|---|
| Bluetooth Support | Bluetooth 5.0 | |
| GPS Support | Yes, with A-GPS, Glonass, Beidou | No |
| NFC Support | Yes | No |
| USB Connections Type | No, charges via proprietary magnetic port | - |
| Available Color Options | Black, Silver, Pink, Jade Green | Black, Brown, Pink |
|---|---|---|
| Global Price Range | - |
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