| Introduction Time | 2019, June | Announced |
|---|---|---|
| Availability Status | Available. Released August 2019 | Available, released to market |
| Size and Dimensions | 42 * 35 * 12.5 millimeter (mm) | 43.7 x 26.5 x 14 mm |
|---|---|---|
| Product Weight | 25 gram (g) | 60 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Metal body, plastic band / Water resistant up to 30 meters deep | Metal body / IP69 certified for water and dust resistance / Water resistant up to 5 ATM (50 meters deep) / MIL-STD-810H military standard |
| Display Technology | Color | - |
|---|---|---|
| Screen Size | 1.28 inch | 1.85 inch |
| Display Resolution | ||
| Multi-Touch Capability | No | - |
| Screen protector type | Scratch-resistant glass | - |
| OS Version | Huami proprietary | Proprietary OS compatible with Android 5.1 and later and iOS version 10.0 and later |
|---|---|---|
| Chip Model |
| Internal Memory Capacity | Stores 60 seconds of ECG data |
|---|
| Battery Type and Capacity | Non-removable 200 mAh battery | 380 mAh cobalt battery (fully charged in 2 hours) |
|---|---|---|
| Battery Standby Time | - | Up to 60 days (standby mode) / Up to 15 days (normal usage) / Up to 7 days (heavy usage) / Up to 12 hours (talk or music playback mode) |
| Smart Sensors | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor | PPG sensor for measuring blood volume changes / Optical heart rate sensor with blood oxygen (SpO2) level calculation capability |
|---|---|---|
| Messaging Method | - | Received notification announcement / Display text messages |
| Bluetooth Support | Bluetooth 5.0 | |
|---|---|---|
| GPS Support | No | No |
| NFC Support | No | No |
| Wireless Network Type | - | No |
| USB Connections Type | - | No, charges via proprietary charging dock |
| Available Color Options | Black, Brown, Pink | Gray |
|---|
| Alert Type | - | Vibrate |
|---|
| Communication Technologies | - | No cellular connectivity |
|---|
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