| Availability Status | Available, released to market | Available, released November 2017 |
|---|---|---|
| Introduction Time | - | 2019, October |
| Size and Dimensions | 47.3 x 47.3 x 13.45 mm | - |
|---|---|---|
| Product Weight | 89g (with strap) | 15 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Stainless steel body / Plastic frame / Water resistant up to 10 ATM (100 meters deep) | Iron body / Ceramic display / Fully resistant to dust and continuous immersion in water up to 1 meter deep |
| Display Technology | No display | |
|---|---|---|
| Screen Size | 1.39 inch | - |
| Display Resolution | - | |
| Display Technical Details | 1000 nits peak brightness | - |
| OS Version | Proprietary Zepp OS 2.0 compatible with Android 7.0 and later and iOS version 12.0 and later | Amazfit proprietary platform |
|---|
| Internal Memory Capacity | No internal storage |
|---|
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | No | - |
| Battery Type and Capacity | Non-removable 500 mAh battery (fully charged in 2 hours) | 15 mAh battery |
|---|---|---|
| Battery Standby Time | Up to 50 days (watch mode only) / Up to 25 days (battery saver mode) / Up to 20 days (normal usage) / Up to 9 days (heavy usage) / Up to 46 hours (GPS on) | 10 hour (h) |
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Accelerometer, Gyroscope, Geomagnetic sensor, Altimeter, Ambient light sensor | - |
|---|---|---|
| Messaging Method | Received notification announcement / Display text messages | Received message announcement capability |
| Other Features and Capabilities | Supports 162 sport modes, heart rate monitoring, blood oxygen level measurement, sleep monitoring, stress monitoring, pedometer, phone and calendar notification display, date and time display, watch face customization, weather display, music control, interchangeable strap | Step counting, Distance traveled calculation, Calories burned calculation, Sleep monitoring, Alarm setting capability |
| Communication Technologies | No cellular connectivity | No |
|---|
| Wireless Network Type | - | |
|---|---|---|
| Bluetooth Support | Bluetooth 4.0 | |
| GPS Support | Yes | No |
| NFC Support | No | - |
| USB Connections Type | No, charges with proprietary magnetic charger | - |
| Available Color Options | Black, Light Brown | - |
|---|
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