Xiaomi Watch S4 Launched with AMOLED Display, HyperOS 2 and eSIM Support

Highlights

Xiaomi launched the Watch S4 featuring eSIM and Bluetooth versions
It comes with a 1.43-inch AMOLED display and an aluminium alloy body.
Key features include 150+ sports modes, dual-frequency GPS, enhanced heart rate accuracy, NFC, up to 15 days battery life and Xiaomi HyperOS 2.
Priced at CNY 1199 (USD 136) for the eSIM version and CNY 999 (USD 109) for the Bluetooth version.

Xiaomi Watch S4 Launched in China with AMOLED Display, HyperOS 2 and eSIM Support. (Image credit – Xiaomi)

The recent Xiaomi event in China saw some exciting product announcements alongside the flagship Xiaomi 15 Series. The Chinese manufacturer has unveiled its latest smartwatch, Xiaomi Watch S4 during the event with a fresh and more professional-looking design.

This is Xiaomi’s second smartwatch announcement of the year after the Watch S4 Sport version that was released earlier.

Here’s everything you need to know about the newly launched Xiaomi Watch S4.

Xiaomi Watch S4 – Design

The newly unveiled Xiaomi Watch S4 comes in two variants, an eSIM model with a brown leather strap and a Bluetooth version with a fluorine rubber strap. Both variants sport a 1.43-inch AMOLED display keeping the primary look the same when on the wrist.

Xiaomi Watch S4 comes with an interchangeable bezel design, similar to previous models. (Image credit – Xiaomi)

The watch maintains Xiaomi’s signature interchangeable bezel design from previous models and includes an improved rotating crown with rotary clicking.

The watch is built from high-quality aluminium alloy with a high-gloss brushed finish. This gives the watch a premium feel and appearance.

Xiaomi Watch S4 – Key Features

Xiaomi Watch S4 key features. (Image credit – Xiaomi)

Powered by the new Xiaomi HyperOS 2, the Watch S4 supports over 150 sports modes ranging from outdoor activities and skiing to ball games and dancing.

Xiaomi has also included a new heart rate algorithm, enhancing heart rate accuracy to 98.2%.

The Xiaomi Watch S4 is the first smartwatch to launch with HyperOS 2. (Image source: Xiaomi)

The Watch S4 offers independent dual-frequency, five-satellite positioning for precise GPS tracking. Additional features include snap-finger gesture control, AI route planning, smart NFC and a battery life of up to 15 days.

Detailed features are as follows –

Watch S4 offers heart rate and blood oxygen monitoring with a claimed accuracy of 98.2%.

43-inch (466 x 466 pixels) AMOLED screen, up to 2200 nits brightness, 256 levels of adaptive brightness
Xiaomi HyperOS 2
Heart rate sensor (including blood oxygen), acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor
150+ sports modes
Daily activity tracking, Women’s Health, Fall Detection, Stress monitoring, breath training, sleep and heart rate monitoring
5ATM water-resistant
486mAh battery, Up to 7 days with typical usage and 3 days with heavy usage (LTE version), Up to 15 days with typical usage, and 5 days with AOD ON (BT version)
Dual band : L1+L5 (GPS | Galileo | Glonass | Beidou | QZSS)
eSIM support, Supports 4G / 3G, 2.4GHz/5GHz Wi-Fi, Bluetooth 5.2

Xiaomi Watch S4 – Price and Availability

The Watch S4 features a digital crown for navigating menus and zooming in on maps.

Xiaomi Watch S4 has been currently launched in China only.

It is available in black, silver, black rainbow (braided strap) and brown (leather) colour choices. Both are available with options for leather or silicone straps.

The eSIM version with a leather strap starts at CNY 1199 (around USD 136 or INR 11,370), while the Bluetooth version starts at CNY 999 (around USD 109 or INR 9,090).

Xiaomi Watch S4 Specifications

The watch itself boasts a round 1.43-inch AMOLED display with a peak brightness of 1,500 nits .

Display: 1.43-inch AMOLED screen, 466 x 466 pixels resolution, up to 2200 nits brightness, 256 levels of adaptive brightness
Operating System: Xiaomi HyperOS 2
Sensors: Heart rate sensor (includes blood oxygen), acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor
Sports Modes: 150+ sports modes
Health & Tracking: Daily activity tracking, Women’s Health, Fall Detection, Stress monitoring, breath training, sleep, and heart rate monitoring
Water Resistance: 5ATM
Dimensions: 47.3mm × 47.3mm × 12mm
Weight: 44.5g
Strap Material: Fluororubber/Leather
Dual Band GPS: L1+L5 (GPS | Galileo | Glonass | Beidou | QZSS)
Connectivity: eSIM support, 4G/3G, 2.4GHz/5GHz Wi-Fi, Bluetooth 5.2

FAQs

Q1. What are the design options for the Xiaomi Watch S4?

Answer. The Xiaomi Watch S4 comes in two variants, an eSIM model with a brown leather strap and a Bluetooth version with a fluorine rubber strap. The watch maintains Xiaomi’s signature interchangeable bezel design and includes an improved rotating crown with rotary clicking.

Q2. What is the display specification of the Xiaomi Watch S4?

Answer. Both variants sport a 1.43-inch AMOLED display keeping the primary look the same when on the wrist.

Q3. What are some of the key features of the Xiaomi Watch S4?

Answer. Powered by the new Xiaomi HyperOS 2, the Watch S4 supports over 150 sports modes, a new heart rate algorithm with 98.2% accuracy, dual-frequency, five-satellite positioning, snap-finger gesture control, AI route planning, smart NFC, and a battery life of up to 15 days.

Q4. What is the price range for the Xiaomi Watch S4?

Answer. The eSIM version with a leather strap starts at CNY 1199 (around USD 136 or INR 11,370), while the Bluetooth version starts at CNY 999 (around USD 109 or INR 9,090).