| key specs |
| Strap Colour | Black, White, Blue, Green, Beige | Black, Light Gold and Silver |
| Compatible OS | Android 8 and later, iOS 14 and newer versions | Android, iOS |
| Strap Material | Silicone | Leather |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Display Size | - | 42mm |
| general |
| Brand | Xiaomi | Xiaomi |
| Model | Watch S5 | Watch S2 |
| Release date | March 19, 2026 | January 10, 2022 |
| Model Name | Watch S5 | Xiaomi Watch S2 |
| Dial Colour | Silver, Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Black, White, Blue, Green, Beige | Black, Light Gold and Silver |
| Strap Material | Silicone | Leather |
| Size | Large | Large |
| Touchscreen | 1.48 | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | 5ATM | Yes |
| Dial Material | Stainless Steel | - |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | 5ATM |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 46mm | - |
| Height | 46mm | - |
| Thickness | 10.99mm | - |
| Weight (g) | 46.00 | - |
| product details |
| Sensor | heart rate sensor, a SpO2 blood oxygen sensor, an accelerometer, a gyroscope, a geomagnetic sensor, a barometric pressure sensor, and an ambient light sensor | Blood Oxygen Monitor, Heart Rate Monitor |
| Compatible Device | Android 8 or later versions and iOS 14 and newer versions | Android, iOS |
| Battery Type | Lithium-Ion | 305 |
| Battery Life | Up to 21 days | 12 Days |
| Charger Type | Wireless | - |
| Rechargeable Battery | 815mAh | Yes |
| Closure | - | Strap Buckle |
| Notification | - | Message |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Bluetooth Version | - | 5.2 |
| Third Party App Support | - | Yes |
| Call Features | - | call, answer, reject and mute calls |
| Other Connectivity Features | - | Notifications |
| platform and storage features |
| Operating System | Android | MIUI Watch OS |
| Compatible Operating System | Android 8 and later, iOS 14 and newer versions | Android, iOS |
| camera and display features |
| Display Resolution | 480x480 pixels | 466X466 |
| Display Type | AMOLED | AMOLED |
| Display Size | - | 42mm |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | - |
| Other Fitness Features | Calorie counter, pedometer, heart rate monitoring, sleep monitoring, blood pressure monitoring, blood oxygen level tracking, fall detection, and menstrual cycle tracking | - |
| audio and video features |
| Speaker | 1 | - |
| Gesture Control | Yes | - |
| Microphone | 1 | - |
| Voice Control | Yes | - |