| key specs |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Midnight Black, Flamingo Pink, Sage Green |
| Display Size | 36mm | - |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android, iOS |
| Strap Material | - | Silicone |
| general |
| Brand | Xiaomi | Amazfit |
| Model | Watch S1 | GTS 2 mini |
| Release date | December 28, 2021 | December 1, 2020 |
| Model Number | M2108W1 | - |
| Dial Colour | Silver | Midnight Black, Flamingo Pink, Sage Green |
| Dial Shape | Round | Rectangle |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | Midnight Black, Flamingo Pink, Sage Green |
| Size | Regular | Regular |
| Touchscreen | Yes | - |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5ATM | 5 ATM |
| Dial Material | Stainless steel | Aluminum alloy, classic-stainless steel |
| Ideal For | Unisex | Unisex |
| Model Name | - | GTS 2 mini |
| Strap Material | - | Silicone |
| dimensions |
| Width | 46.5 | 35.8 |
| Height | 46.5 | 40.5 |
| Thickness | 11 | 8.95 |
| Weight (g) | - | 19.50 |
| product details |
| Sensor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor | Huami self-developed BioTracker 2 PPG (support blood-oxygen) biological data sensor, Accelerometer, Gyroscope, Geomagnetic sensor, Ambient light sensor |
| Compatible Device | Android, iPhone | Android, iPhone |
| Notification | Yes | Yes |
| Battery Type | Li-ion polymer | 220mAh |
| Battery Life | 12 days | 14 days |
| Charge Time | - | About 2 hours |
| Charger Type | - | Charging base |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | v5.2 | 5.0 BLE |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Messaging Support | Yes | - |
| Call Features | Yes | - |
| camera and display features |
| Display Resolution | 466x466 | 354x306 |
| Display Size | 36mm | - |
| Display Type | AMOLED | AMOLED |
| Backlight Display | Yes | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese | - |
| Number of Buttons | 2 | 1 |
| Other Fitness Features | 117 sports modes | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |