About this product

Xiaomi Watch S4 (41mm) – Precision, Performance, and Elegance.
The Xiaomi Watch S4 is designed to deliver premium craftsmanship and powerful performance in one compact, stylish device. Featuring a 1.32-inch AMOLED display with exceptional brightness, advanced multi-sensor health tracking, and robust battery life, it ensures an intelligent and seamless smartwatch experience. Whether you’re training, working, or relaxing, the Watch S4 keeps you connected, informed, and in control.

Key Features

Premium Build and Design
Crafted with a stainless steel frame for lasting durability, the Watch S4 combines elegance with functionality. It’s available in multiple strap options—fluororubber, leather, and Milanese—each offering adjustable comfort for everyday wear.

Brilliant AMOLED Display
Enjoy stunning clarity with a 1.32-inch AMOLED display, delivering a sharp 466 × 466 pixel resolution and a 60Hz refresh rate. With HBM 1500 nits brightness, it remains bright and readable even under direct sunlight.

Comprehensive Health Tracking
Equipped with advanced sensors including a heart rate and blood oxygen sensor, accelerometer, gyroscope, temperature sensor, barometer, and more. Track vital metrics in real time to stay informed about your health and fitness.

Accurate GPS and Navigation
Supports multi-system satellite positioning (GPS, Galileo, Glonass, BeiDou, QZSS) for precise tracking during runs, hikes, and outdoor activities.

Long Battery Life
Powered by a 320mAh battery, the Watch S4 provides up to 8 days of light use, 4 days of normal use, and 3 days of heavy use—ensuring reliability for your daily routine.

Smart Connectivity and Features
Stay connected with Bluetooth 5.4, NFC, and Bluetooth calling capabilities. The built-in microphone and speaker enable convenient hands-free calls, while Xiaomi HyperOS 3 ensures smooth performance and compatibility with both Android (8.0+) and iOS (14.0+) devices.

Water Resistance
With a 5ATM water resistance rating, the Watch S4 is suitable for swimming, shallow-water activities, and everyday wear. (Not suitable for hot showers, saunas, or diving.)

Technical Specifications

Dimensions & Weight

• Size: 41.2 × 41.2 × 9.5 mm (excluding strap and protrusions)

• Weight: approx. 32g (without strap)

Frame & Strap Options

• Frame: Stainless steel

• Strap options:

  • Black: Fluororubber (adjustable 120–190 mm)

  • Mint Green: Fluororubber (adjustable 120–190 mm)

  • White: Leather (adjustable 120–190 mm)

  • Sunset Gold: Milanese (adjustable 130–190 mm)

Display

• 1.32-inch AMOLED, 466 × 466 pixels, 352 PPI

• 60Hz refresh rate

• HBM 1500 nits brightness

Sensors

• Heart rate (with SpO₂)

• Accelerometer

• Gyroscope

• Ambient light sensor

• Electronic compass

• Barometer

• Temperature sensor

Battery

• Capacity: 320mAh

• Light use: up to 8 days

• Normal use: up to 4 days

• Heavy use: up to 3 days

Connectivity

• Bluetooth® 5.4

• NFC (availability may vary by region)

• Built-in GNSS: Supported

• Bluetooth calling (requires smartphone connection)

Operating System

• Xiaomi HyperOS 3

• Compatible with Android 8.0+ and iOS 14.0+

Water Resistance

• 5ATM (up to 50 meters)

Charging

• 2-pin magnetic charging dock

Package Contents

• Xiaomi Watch S4 (41mm)

• Magnetic charging dock

• User manual (including warranty notice)