| Introduction Time | 2019, June | |
|---|---|---|
| Availability Status | Available. Released April 2014 | Available. Released August 2019 |
| Size and Dimensions | 57.4 x 23.4 x 11.95 mm | 42 * 35 * 12.5 millimeter (mm) |
|---|---|---|
| Product Weight | 27 gram (g) | 25 gram (g) |
| Other Body Features | IP67 certified / Water resistant up to 1 meter for 30 minutes / Interchangeable band | Metal body, plastic band / Water resistant up to 30 meters deep |
|---|---|---|
| Compatible SIM Card Types | - | No |
| Display Technology | Color | |
|---|---|---|
| Screen Size | 1.84 inch | 1.28 inch |
| Display Resolution | ||
| Multi-Touch Capability | Yes | No |
| Screen protector type | - | Scratch-resistant glass |
| OS Version | Huami proprietary | |
|---|---|---|
| Chip Model |
| CPU | Processor with 180 MHz frequency | - |
|---|
| Speaker Type | No | - |
|---|
| Battery Type and Capacity | Non-removable 210 mAh Li-Ion battery | Non-removable 200 mAh battery |
|---|
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor | PPG heart rate sensor, ECG sensor, Six-axis IMU sensor |
|---|---|---|
| Messaging Method | Received notification announcement / Display text messages / Display received emails | - |
| Other Features and Capabilities | Pedometer / Distance traveled measurement / Music playback control | - |
| Bluetooth Support | Version 4.0 | |
|---|---|---|
| GPS Support | No | No |
| NFC Support | - | No |
| Available Color Options | Black | Black, Brown, Pink |
|---|
| Internal Memory Capacity | - | Stores 60 seconds of ECG data |
|---|
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