During the company’s anniversary launch event on Thursday, Xiaomi unveiled the Watch S4 15th Anniversary Edition in China. Alongside the Xiaomi 15s Pro and Xiaomi Pad 7 Ultra, the new wearable was launched, sporting Xiaomi’s own XRING T1 processor. The normal Watch S4 was released by Xiaomi some months prior to the arrival of the S4 15th Anniversary Edition. It differs from the standard Watch S4 with its updated design and color selection. The watch’s circular AMOLED screen measures 1.43 inches.
The Xiaomi Watch S4 15th Anniversary Edition costs CNY 1,299, which is around Rs. 15,000 in value. Shades of green and black are available. In contrast, the regular Xiaomi Watch S4 costs CNY 999, or around Rs. 11,800.

Xiaomi Watch S4 15th Anniversary Edition specs
In comparison to the regular model, the Xiaomi Watch S4 15th Anniversary Edition has a new chip, certain design changes, and an extended battery life. It is compatible with smartphones running iOS 12.0 and Android 8.0 and is powered by Xiaomi HyperOS 2. It features a 1.43-inch AMOLED screen with a resolution of 466 × 466 pixels. The display is claimed to have a maximum brightness of 1,500 nits and a refresh rate of 60 Hz.
Xiaomi’s in-house-developed XRING T1 chipset powers the wearable. The maximum CPU frequency that the new chipset is supposed to deliver is 500MHz.

The Watch S4 15th Anniversary Edition allows users to operate their Xiaomi vehicles without a smartphone. The watch face offers a real-time glimpse of the attached smartphone’s camera in addition to supporting three-second video clip.
When eSIM functionality is activated, the Xiaomi S4 15th Anniversary Edition is said to last nine days between charges. For comparison, the regular model has a seven-day battery life in eSIM mode. The wearable’s battery is 486mAh.
SpO2 (blood oxygen) and a heart rate monitoring sensor are included with the S4 15th Anniversary Edition. Its water resistance rating is 5 ATM. 4G, Wi-Fi, Bluetooth 5.3, NFC, GPS, Galileo, Glonass, Beidou, and QZSS are among the connectivity choices. It weighs 44.5g and has dimensions of 47.3 x 47.3 x 12.0mm.