| Introduction Time | 2019, June | - |
|---|---|---|
| Availability Status | Available. Released August 2019 | Available, released to market |
| Size and Dimensions | 42 * 35 * 12.5 millimeter (mm) | 40.5 x 36 x 10.5 mm |
|---|---|---|
| Product Weight | 25 gram (g) | 43 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Metal body, plastic band / Water resistant up to 30 meters deep |
| Display Technology | Color | |
|---|---|---|
| Screen Size | 1.28 inch | 1.3 inch |
| Display Resolution | ||
| Multi-Touch Capability | No | - |
| Screen protector type | Scratch-resistant glass | - |
| OS Version | Huami proprietary | Proprietary OS compatible with Android and iOS |
|---|---|---|
| Chip Model | - |
| Internal Memory Capacity | Stores 60 seconds of ECG data | - |
|---|
| Battery Type and Capacity | Non-removable 200 mAh battery | Non-removable 170 mAh Li-Po battery |
|---|---|---|
| Battery Standby Time | - | Up to 6 days (normal usage) / Up to 20 days (watch mode only) |
| Smart Sensors | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor | Accelerometer sensor, Optical heart rate sensor, Pedometer |
|---|---|---|
| Messaging Method | - | Received notification alerts / Display text messages |
| Other Features and Capabilities | - | Supports various sport modes, Heart rate monitoring, Sleep monitoring, Distance traveled calculation, Phone notification display, Watch face customization capability, Timer, Alarm clock |
| Bluetooth Support | Yes, Version 4.0 | |
|---|---|---|
| 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 | Black |
|---|
| Speaker Type | - | No |
|---|
| Communication Technologies | - | No cellular connectivity |
|---|
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