| Brand | Xiaomi |
| Model | Watch S4 15th Anniversary Edition |
| Release date | 23rd May 2025 |
| Model Name | Xiaomi Watch S4 15th Anniversary Edition |
| Dial Colour | Black |
| Dial Shape | Round |
| Size | Regular |
| Touchscreen | 1.43 |
| Interchangeable Strap | Yes |
| Water Resistant | 5 ATM |
| Usage | Regular |
| Ideal For | Unisex |
| Width | 47.3 |
| Height | 47.3 |
| Thickness | 12 |
| Weight (g) | 44.50 |
| Sensor | Heart Rate Monitor, Stress, Sleep |
| Compatible Device | Android and iOS |
| Battery Type | 486mAh |
| Bluetooth | Yes |
| Bluetooth Version | 5.3 |
| Wi-Fi | Yes |
| GPS | Yes |
| Other Connectivity Features | NFC, Galileo, Glonass, Beidou, QZSS |
| Operating System | HyperOS 2 |
| Compatible Operating System | Android 8.0 or above, iOS 12.0 or above |
| Display Resolution | 466 x 466 |
| Display Size | 36mm |
| Display Type | AMOLED |
| Step Count | Yes |
| Calorie Count | Yes |
| Heart Rate Monitor | Yes |
| Alarm Clock | Yes |
| Date & Time Display | Yes |
| Language | English |
Xiaomi Watch S4 15th Anniversary Edition
Cyberpunk 2077 Has Sold 40 Million Copies, CD Projekt Red Confirms
Nokia 235 4G (2026), 215 4G (2026) Launched Alongside Nokia 210 4G, and 200 4G With AI Assistant Button