Xiaomi has launched the new Xiaomi Watch S4 eSIM 15th Anniversary Edition in the markets of China during the 15th Anniversary Launch event. The smartwatch is powered by Xiaomi’s self-developed Xring T1 processor and the company has introduced the device with a price tag of 1299 yuan. The device will be available in Black and Green Flame colour options. So let’s get into the article to check out the full specifications.
Everything about Xiaomi Watch S4 15th Anniversary Edition

The latest Xiaomi Watch S4 15th Anniversary Edition comes with the power of the Xring T1 chip and the same is integrated with a 4G modem and video codec module. It is running at a maximum CPU frequency of 500MHz. The device features a 1.43-inch AMOLED display with 466 × 466 pixels resolution along with a 60Hz refresh rate, and a peak brightness of 2200 nits.
It also comes with Dragon Crystal Glass for screen protection and the casing is made of PVD-treated aluminum alloy along with a stainless steel frame. The device also comes with 64MB RAM and 4GB of internal storage.
The latest smartwatch supports over 150 sports modes, automatic workout detection, AI-guided running, and Pro Ski Mode 2.0. The device also comes with health related features including heart rate monitoring, SpO₂ tracking, stress levels, sleep analysis, and women’s health tracking. The device also supports cuff-less blood pressure estimation through the Xiaomi Health Research app.
It also supports eSIM for 4G calling and messaging, Bluetooth 5.3, NFC for payments and smart access, dual-band GPS (L1+L5), and the device supports five satellite systems. The device also features both Bluetooth and network-based outdoor walkie-talkie functionality. The device will offer up to 9 days of usage with typical eSIM use and up to 15 days in Bluetooth-only mode. The watch supports magnetic 2-pin fast charging and the device runs on Xiaomi HyperOS 2.
The device will also enable you to control the SU7 series vehicles via the Xiaomi Auto App, alongside gesture controls and Mi Home integration. The device is IP-rated at 5ATM as well.
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