| key specs |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Silver |
| Display Size | 36mm | 45mm |
| Dial Shape | Round | Round |
| Display Type | AMOLED | OLED Retina |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android OS, iOS 8, Fossil Q App: 4.4 |
| Strap Material | - | Stainless Steel |
| general |
| Brand | Xiaomi | Fossil |
| Model | Watch S1 | Q Marshal Smartwatch |
| Release date | December 28, 2021 | - |
| Model Number | M2108W1 | FTW2109 |
| Dial Colour | Silver | Silver |
| Dial Shape | Round | Round |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Silver |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5ATM | - |
| Dial Material | Stainless steel | Steel |
| Ideal For | Unisex | Unisex |
| Model Name | - | Q Marshal |
| Strap Material | - | Stainless Steel |
| Usage | - | Notifier |
| dimensions |
| Width | 46.5 | - |
| Height | 46.5 | - |
| Thickness | 11 | - |
| Diameter | - | 45 mm |
| product details |
| Sensor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor | G-Sensor, Gyroscope |
| Compatible Device | Android, iPhone | Iphone 5 & Above,Android Devices 4.3 & Above(Supported Features May Vary By Platform) |
| Notification | Yes | Social Media /Text/Email/App Alerts/Calendar Alerts |
| Battery Type | Li-ion polymer | - |
| Battery Life | 12 days | This wearable has an estimated 24-hour battery life. |
| Notification Type | - | Notifications on LED Display |
| Charge Time | - | 120 min |
| Charger Type | - | USB Cable |
| Rechargeable Battery | - | Yes |
| Other Features | - | Outside Temperature: Yes, Heart Rate: No |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | v5.2 | v4.1 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | - |
| Messaging Support | Yes | - |
| Call Features | Yes | - |
| Other Connectivity Features | - | Wi-Fi (802.11B/G/N) |
| camera and display features |
| Display Resolution | 466x466 | 320 x 290 pixels |
| Display Size | 36mm | 45mm |
| Display Type | AMOLED | OLED Retina |
| Backlight Display | Yes | - |
| Other Display Features | - | Display Resolution: 229 Dpi |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese | - |
| Number of Buttons | 2 | - |
| Other Fitness Features | 117 sports modes | Activity Tracking |
| Other Watch Functions | - | Auto Update Timezone, Multiple Time Zones |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Built-in Microphone |
| platform and storage features |
| Compatible Operating System | - | Android OS, iOS 8, Fossil Q App: 4.4 |
| RAM | - | 512 MB |
| Internal Memory | - | 4 GB |