| key specs |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Black |
| Display Size | 36mm | 46mm |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android 4.3 |
| Strap Material | - | Silicone |
| general |
| Brand | Xiaomi | Samsung |
| Model | Watch S1 | Gear Fit Smartwatch |
| Release date | December 28, 2021 | - |
| Model Number | M2108W1 | SM-R3500ZKAXAR/SM-R3500ZKAINU |
| Dial Colour | Silver | Multicolor |
| Dial Shape | Round | Rectangle |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Black |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5ATM | - |
| Dial Material | Stainless steel | - |
| Ideal For | Unisex | Unisex |
| Model Name | - | Gear Fit |
| Strap Material | - | Silicone |
| Usage | - | Notifier |
| dimensions |
| Width | 46.5 | 57.4 |
| Height | 46.5 | 23.4 |
| Thickness | 11 | 11.94 mm |
| Weight (g) | - | 27.00 |
| product details |
| Sensor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor | Heart Rate Sensor (Ppg), Accelerometer, Gyro Sensor |
| Compatible Device | Android, iPhone | Samsung Galaxy Smartphones And Tablets (Android V4.3 Jelly Bean Or Higher, Wvga Or Higher Screen Resolution, 1.0 Gb Or Higher Memory) |
| Notification | Yes | - |
| Battery Type | Li-ion polymer | Lithium Ion |
| Battery Life | 12 days | - |
| Other Features | - | Battery Capacity: 210 Mah, Bluetooth Profiles: Spp, Gatt, Dust-Proof And Water Resistance: Ip67, S Health, Form Factor: Wearable |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | v5.2 | v4.0 |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Messaging Support | Yes | - |
| Call Features | Yes | Make, Receive and Reject Calls |
| Email Support | - | Yes |
| camera and display features |
| Display Resolution | 466x466 | 128 x 432 pixels |
| Display Size | 36mm | 46mm |
| Display Type | AMOLED | Super AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | - | Dismiss Calls And Alarms With A Simple Tap |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | - |
| Language | Simplified Chinese | - |
| Number of Buttons | 2 | - |
| Other Fitness Features | 117 sports modes | - |
| Other Watch Functions | - | Pedometer, Exercise, Sleep, Heart Rate, Notifications, Media Controller, Timer, Stopwatch, Find My Device |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| platform and storage features |
| Compatible Operating System | - | Android 4.3 |
| Processor Speed | - | 160 MHz |