| key specs |
| Strap Colour | Black, Light Gold and Silver | Moon White, Space Black, Ocean Blue, Yellow, Green, Orange |
| Display Size | 42mm | 36mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Leather | - |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| general |
| Brand | Xiaomi | Xiaomi |
| Model | Watch S2 | Watch S1 Active |
| Release date | January 10, 2022 | March 15, 2022 |
| Model Name | Xiaomi Watch S2 | - |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Black, Light Gold and Silver | Moon White, Space Black, Ocean Blue, Yellow, Green, Orange |
| Strap Material | Leather | - |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5ATM | 5ATM |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | - |
| product details |
| Closure | Strap Buckle | - |
| Sensor | Blood Oxygen Monitor, Heart Rate Monitor | heart rate sensor, SpO2 sensor, sleep sensor, stress sensor, respiratory sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Message | Yes |
| Battery Type | 305 | - |
| Battery Life | 12 Days | 12 days |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.2 | v5.2 |
| GPS | Yes | Yes |
| Third Party App Support | Yes | - |
| Call Features | call, answer, reject and mute calls | - |
| Other Connectivity Features | Notifications | - |
| Messaging Support | - | Yes |
| Email Support | - | Yes |
| platform and storage features |
| Operating System | MIUI Watch OS | - |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 466X466 | - |
| Display Size | 42mm | 36mm |
| Display Type | AMOLED | AMOLED |
| Other Display Features | Touch Screen | - |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Calorie Count | - | Yes |
| Chronograph | - | Yes |
| Language | - | English |
| Other Fitness Features | - | 117 sports modes |
| Other Watch Functions | - | 200+ watch faces |
| dimensions |
| Width | - | 46.5 |
| Height | - | 47.3 |
| Thickness | - | 11 |
| Diameter | - | 36 |
| Weight (g) | - | 36.30 |
| audio and video features |
| Speaker | - | Yes |