| Introduction Time | 2019, February | 2020, August |
|---|---|---|
| Availability Status | Available, released March 2019 | Available. Released August 2020 |
| Size and Dimensions | 40 * 39.5 * 10.5 millimeter (mm) | 15.3 * 45 * 45 millimeter (mm) |
|---|---|---|
| Product Weight | 25 gram (g) | 52 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | MIL-STD-810G / Waterproof up to 50 meters underwater (IP68 certified) / 20mm band |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.1 inch | 1.2 inch |
| Display Resolution | 360 * 360 pixel (px) | 128 * 128 pixel (px) |
| Multi-Touch Capability | Yes | - |
| Screen protector type | Corning Gorilla Glass 3 | |
| Display Technical Details | Always-on Display | Monochrome display (black and white) / Non-touch |
| OS Version | Proprietary OS compatible with Android and iOS | |
|---|---|---|
| Chip Model | - |
| CPU | - |
|---|
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | No | No |
| Battery Type and Capacity | Non-removable 230 mAh Li-Ion battery | Battery rechargeable by sunlight |
|---|---|---|
| Battery Standby Time | - | 24 days (without sunlight) / 54 days (if used 3 hours daily in outdoor light conditions) |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer, Ambient light sensor | Accelerometer, Barometer, Altimeter, Heart rate sensor, Compass, Skin surface temperature sensor |
|---|---|---|
| Other Features and Capabilities | WPC wireless charging / S-Voice voice assistant / MP3/M4A/AAC/WAV player / Photo viewer / Voice notes, calls, and commands | - |
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | 4.2, A2DP, LE | Yes with ANT+ support |
| GPS Support | Yes, with A-GPS, GLONASS | Yes, GLONASS, Galileo |
| NFC Support | Yes | No |
| USB Connections Type | No | - |
| Available Color Options | Black, Silver, Pink, Green | Black, Navy Blue, Yellow, Red, Leopard Green |
|---|
| Communication Technologies | - | No |
|---|
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