| Introduction Time | 2019, June | - |
|---|---|---|
| Availability Status | Available. Released August 2019 | Available, released to market |
| Size and Dimensions | 42 * 35 * 12.5 millimeter (mm) | 46 x 46 x 10.6 mm |
|---|---|---|
| Product Weight | 25 gram (g) | 35g (without strap) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Metal body, plastic band / Water resistant up to 30 meters deep | Fiber-reinforced polymer body / Aluminum alloy frame / Nylon or silicone band / Water resistant up to 5 ATM (50 meters deep) |
| Display Technology | Color | |
|---|---|---|
| Screen Size | 1.28 inch | 1.5 inch (~73.4% screen-to-body ratio) |
| Display Resolution | ||
| Multi-Touch Capability | No | - |
| Screen protector type | Scratch-resistant glass | Tempered glass / Anti-fingerprint coating |
| Display Technical Details | - | Max brightness up to 1500 nits / Always-on Display / 22mm band width |
| OS Version | Huami proprietary | Proprietary ZEPP OS 3.0 compatible with Android 7.0 and later and iOS version 14.0 and later |
|---|---|---|
| Chip Model | - |
| Internal Memory Capacity | Stores 60 seconds of ECG data | - |
|---|
| Battery Type and Capacity | Non-removable 200 mAh battery | 475 mAh (fully charged in 2 hours) |
|---|---|---|
| Battery Standby Time | - |
| Smart Sensors | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor | Optical heart rate sensor with SpO2 monitoring, PPG biometric sensor, BIA bioelectrical impedance sensor for body fat measurement, accelerometer, gyroscope, geomagnetic sensor, barometer, ambient light sensor, thermometer |
|---|---|---|
| Messaging Method | - | Received notification alerts / Display text messages |
| Bluetooth Support | ||
|---|---|---|
| GPS Support | No | Yes |
| NFC Support | No | Yes |
| Wireless Network Type | - | |
| USB Connections Type | - | No, charges with proprietary magnetic charger |
| Available Color Options | Black, Brown, Pink | Gray, Black |
|---|
| Alert Type | - | Vibrate |
|---|---|---|
| Speaker Type | - | Yes |
| Communication Technologies | - | No cellular connectivity |
|---|
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