| Introduction Time | December 2020 | - |
|---|---|---|
| Availability Status | Available. Released December 2020 | Available |
| Size and Dimensions | 8.95 * 35.8 * 40.5 millimeter (mm) | 45 * 45 * 15.3 millimeter (mm) |
|---|---|---|
| Product Weight | 19.5 gram (g) | 52 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Plastic body, mineral glass |
| Display Technology | Round | |
|---|---|---|
| Screen Size | 1.55 inch | 1 inch |
| Display Resolution | 128 × 128 | |
| Multi-Touch Capability | - | No |
| Display Technical Details | - | Circular |
| OS Version | Proprietary OS compatible with Android and iOS | Garmin proprietary OS, compatible with Android and iOS |
|---|
| Battery Type and Capacity | Non-removable 220 mAh Li-Ion battery | Lithium-Ion Battery |
|---|---|---|
| Battery Standby Time | - |
| Smart Sensors | Huami's proprietary sensor (BioTracker™ 2 PPG) with blood oxygen calculation, Accelerometer, Gyroscope, Altimeter, Ambient light sensor, Vibration motor, Microphone | Accelerometer, Compass, Pedometer, Heart rate counter, Altimeter |
|---|---|---|
| Other Features and Capabilities | Heart rate monitoring, Blood oxygen level measurement, Sleep monitoring, Health monitoring, Supports over 70 sport modes, Supports Amazon Alexa voice assistant | Has stealth mode / Viewable with night vision goggles |
| Communication Technologies | No | - |
|---|
| Wireless Network Type | No | - |
|---|---|---|
| Bluetooth Support | Bluetooth 5.0 | Yes |
| GPS Support | Yes | Yes |
| NFC Support | No | - |
| USB Connections Type | No, charges via proprietary charging dock | - |
| Available Color Options | Black, Pink, Green | Black, Brown |
|---|
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