| key specs |
| Display Size |
36mm |
42mm |
| Compatible OS |
Android 8.0 or above, iOS 12.0 or above |
Android, iOS |
| Dial Shape |
Round |
Rectangle |
| Display Type |
AMOLED |
AMOLED |
| Ideal For |
Unisex |
- |
| Strap Colour |
- |
Dolphon Grey, Obsidian Black, Streamer Gold |
| general |
| Brand |
Xiaomi |
Amazfit |
| Model |
Watch S4 15th Anniversary Edition |
GTS 2 |
| Release date |
May 23, 2025 |
September 22, 2020 |
| Model Name |
Xiaomi Watch S4 15th Anniversary Edition |
GTS 2 |
| Dial Colour |
Black |
Dolphon Grey, Obsidian Black, Streamer Gold |
| Dial Shape |
Round |
Rectangle |
| Size |
Regular |
Regular |
| Touchscreen |
1.43 |
Yes |
| Interchangeable Strap |
Yes |
- |
| Water Resistant |
5 ATM |
5 ATM |
| Usage |
Regular |
- |
| Ideal For |
Unisex |
- |
| Dial Material |
- |
Aluminium Alloy |
| Strap Colour |
- |
Dolphon Grey, Obsidian Black, Streamer Gold |
| dimensions |
| Width |
47.3 |
35.6 |
| Height |
47.3 |
42.8 |
| Thickness |
12 |
9.7 |
| Weight (g) |
44.50 |
24.70 |
| product details |
| Sensor |
Heart Rate Monitor, Stress, Sleep |
Air pressure, Accelerometer, Gyroscope, Geomagnetic sensor, ambient light sensor |
| Compatible Device |
Android and iOS |
Android, iOS |
| Battery Type |
486mAh |
- |
| Notification |
- |
Yes |
| Battery Life |
- |
7 days |
| Charge Time |
- |
2 hours |
| Charger Type |
- |
Magnetic |
| Rechargeable Battery |
- |
Yes |
| connectivity features |
| Bluetooth |
Yes |
Yes |
| Bluetooth Version |
5.3 |
5.0 |
| Wi-Fi |
Yes |
Yes |
| GPS |
Yes |
- |
| Other Connectivity Features |
NFC, Galileo, Glonass, Beidou, QZSS |
- |
| platform and storage features |
| Operating System |
HyperOS 2 |
- |
| Compatible Operating System |
Android 8.0 or above, iOS 12.0 or above |
Android, iOS |
| camera and display features |
| Display Resolution |
466 x 466 |
348x442 |
| Display Size |
36mm |
42mm |
| Display Type |
AMOLED |
AMOLED |
| fitness and watch functions |
| Step Count |
Yes |
Yes |
| Calorie Count |
Yes |
Yes |
| Heart Rate Monitor |
Yes |
Yes |
| Alarm Clock |
Yes |
Yes |
| Date & Time Display |
Yes |
Yes |
| Language |
English |
- |
| Com |
- |
Yes |
| Calendar |
- |
Yes |
| Number of Buttons |
- |
1 |
| Other Watch Functions |
- |
BioTracker 2 PPG, biological data sensor |
| ratings |
| Overall NDTV Rating |
- |
Read Review |
| Design and comfort Rating |
- |
|
| Tracking accuracy Rating |
- |
|
| Companion app Rating |
- |
|
| Software and ecosystem Rating |
- |
|
| Battery life Rating |
- |
|
| audio and video features |
| Speaker |
- |
Yes |
| Microphone |
- |
Yes |
