| Introduction Time | 2019, June | 2017, April |
|---|---|---|
| Availability Status | Available. Released August 2019 | Available. Released April 2017 |
| Size and Dimensions | 42 * 35 * 12.5 millimeter (mm) | 45.7 x 45.7 x 14.5 mm |
|---|---|---|
| Product Weight | 25 gram (g) | 89 gram (g) |
| Compatible SIM Card Types | No | Nano-SIM |
|---|---|---|
| Other Body Features | Metal body, plastic band / Water resistant up to 30 meters deep | IP67 certified - dust and water resistant / Water resistant up to 1 meter for 30 minutes / Stainless steel |
| Display Technology | Color | |
|---|---|---|
| Screen Size | 1.28 inch | 1.4 inch (~30.3% screen-to-body ratio) |
| Display Resolution | ||
| Multi-Touch Capability | No | Yes |
| Screen protector type | Scratch-resistant glass | Corning Gorilla Glass 3 |
| OS Version | Huami proprietary | Android Wear 2.0 |
|---|---|---|
| Chip Model |
| Internal Memory Capacity | Stores 60 seconds of ECG data | 4GB, 768MB RAM |
|---|
| Battery Type and Capacity | Non-removable 200 mAh battery | Non-removable 500 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | - | Up to 24 hours (combined usage) |
| Smart Sensors | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor | Accelerometer, Gyroscope, Barometer |
|---|---|---|
| Messaging Method | - | SMS, Email, IM |
| Other Features and Capabilities | - | MP3 player / Photo viewer / Voice command and calling |
| Bluetooth Support | ||
|---|---|---|
| GPS Support | No | Yes, with A-GPS |
| NFC Support | No | - |
| Wireless Network Type | - | |
| USB Connections Type | - | No |
| Available Color Options | Black, Brown, Pink | Silver |
|---|---|---|
| Global Price Range | - |
| CPU | - |
|---|
| Alert Type | - | MP3, WAV, Vibrate, Ringtones |
|---|---|---|
| Speaker Type | - | Yes |
| Communication Technologies | - |
|---|
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