| Availability Status | Available, released to market | Available. Released April 2017 |
|---|
| Size and Dimensions | 47.3 x 47.3 x 13.45 mm | 47 * 47 * 15.5 millimeter (mm) |
|---|---|---|
| Product Weight | 89g (with strap) | 87 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) | Polymer and stainless steel body |
| Display Technology | Chroma / Sunlight readable / Always-on / Low battery consumption | |
|---|---|---|
| Screen Size | 1.39 inch | 1.2 inch |
| Display Resolution | 240 * 240 pixel (px) | |
| Display Technical Details | 1000 nits peak brightness | Display glass made of sapphire |
| Multi-Touch Capability | - | No |
| OS Version | Proprietary Zepp OS 2.0 compatible with Android 7.0 and later and iOS version 12.0 and later | Proprietary OS |
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| Internal Memory Capacity |
|---|
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | No | No |
| Battery Type and Capacity | Non-removable 500 mAh battery (fully charged in 2 hours) | 9 days use as a watch / 14 hours use with GPS active / 35 hours in UltraTrac battery saving mode |
|---|---|---|
| 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) | - |
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Accelerometer, Gyroscope, Geomagnetic sensor, Altimeter, Ambient light sensor | Accelerometer, Barometer, Heart rate counter, Compass, Sleep monitoring, GPS, Skin surface temperature measurement |
|---|---|---|
| Messaging Method | Received notification announcement / Display text messages | - |
| 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 | - |
| Communication Technologies | No cellular connectivity | No |
|---|
| Wireless Network Type | Yes | |
|---|---|---|
| Bluetooth Support | Bluetooth Version 4.0 | |
| GPS Support | Yes | Yes |
| NFC Support | No | No |
| USB Connections Type | No, charges with proprietary magnetic charger | - |
| Available Color Options | Black, Light Brown | - |
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