| Introduction Time | 2019, February | 2020, September 18, 2020 |
|---|---|---|
| Availability Status | Available, released March 2019 | Released September 2020 |
| Size and Dimensions | 40 * 39.5 * 10.5 millimeter (mm) | 12.45 * 18.5 * 47.2 millimeter (mm) |
|---|---|---|
| Product Weight | 25 gram (g) | 12.1g (without strap) ** 24g (with silicone strap) |
| 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 | 1.1 inch |
| Display Resolution | 360 * 360 pixel (px) | 294 * 126 pixel (px) |
| Multi-Touch Capability | Yes | - |
| Screen protector type | Corning Gorilla Glass 3 | - |
| Display Technical Details | Always-on Display | 450 nits brightness |
| OS Version | Proprietary OS | |
|---|---|---|
| Chip Model | - |
| CPU | - |
|---|
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | No | No |
| Battery Type and Capacity | Non-removable 230 mAh Li-Ion battery | 125 mAh Li-Po battery |
|---|---|---|
| Battery Standby Time | - | 15 day |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer, Ambient light sensor | Heart rate sensor, barometer, 3-axis accelerometer and gyroscope, vibration, infrared for detecting watch wear, microphone, Alexa voice assistant, SpO2 for blood oxygen measurement |
|---|---|---|
| Other Features and Capabilities | WPC wireless charging / S-Voice voice assistant / MP3/M4A/AAC/WAV player / Photo viewer / Voice notes, calls, and commands | Camera control, music control, find my phone, silence phone, unlock phone and laptop, call and message alerts, social media notifications, timer, alarm, wear detection, weather display, Alexa voice assistant |
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | 4.2, A2DP, LE | Yes, Bluetooth 5.0 BLE version |
| GPS Support | Yes, with A-GPS, GLONASS | - |
| NFC Support | Yes | Yes |
| USB Connections Type | No | Magnetic charging port |
| Available Color Options | Black, Silver, Pink, Green | Green, Yellow, Red, Dark Gray |
|---|---|---|
| Global Price Range | - |
| Communication Technologies | - | No |
|---|
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