| Introduction Time | 2020, August | April 30, 2021 |
|---|---|---|
| Availability Status | Available. Released August 2020 | Available, released May 20, 2021 |
| Size and Dimensions | 15.3 * 45 * 45 millimeter (mm) | 35.7 x 25.8 x 12.2 mm |
|---|---|---|
| Product Weight | 53 gram (g) | 38 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | IP68 certified for water and dust resistance (up to 1.5 meters) |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.2 inch | 1.4 inch |
| Display Resolution | 128 * 128 pixel (px) | |
| Screen protector type | - | |
| Display Technical Details | Monochrome display (black and white) / Non-touch | 600 nits peak brightness |
| OS Version | Proprietary OS compatible with Android and iOS | Proprietary OS compatible with Android and iOS |
|---|
| Speaker Type | No | No |
|---|
| Battery Type and Capacity | Battery rechargeable by sunlight | Non-removable 315 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | 24 days (without sunlight) / 54 days (if used 3 hours daily in outdoor light conditions) |
| Smart Sensors | Accelerometer, Barometer, Altimeter, Heart rate sensor, Compass, Skin surface temperature sensor | Accelerometer sensor, Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability |
|---|---|---|
| Messaging Method | - | Received notification alerts / Display text messages |
| Communication Technologies | No | No cellular connectivity |
|---|
| Wireless Network Type | No | No |
|---|---|---|
| Bluetooth Support | Yes with ANT+ support | 5.0, A2DP, LE |
| GPS Support | Yes, GLONASS, Galileo | No |
| NFC Support | No | No |
| USB Connections Type | - | No, charges via proprietary charging dock |
| Available Color Options | Black, Navy Blue, Yellow, Red, Leopard Green | Black |
|---|---|---|
| Global Price Range | - |
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