Specifications

Xiaomi Watch S4

Display

• Size: 1.75-inch AMOLED
• Resolution: 390 x 450 pixels
• Brightness: 1000 nits peak brightness
• Protection: Corning Gorilla Glass for enhanced durability
• Always-On Display: Yes

Design & Build

• Material: Premium stainless steel body
• Strap: Interchangeable leather or silicone strap options
• Water Resistance: 5ATM (50 meters)
• Dimensions: 46.5 x 46.5 x 10.5 mm
• Weight: 48g (without strap)

Processor & Performance

• Chipset: Qualcomm Snapdragon Wear 4100+
• RAM: 1GB
• Storage: 8GB internal storage

Sensors & Tracking

• Heart Rate Sensor: Optical heart rate sensor
• GPS: Built-in GPS (L1 + L5)
• SpO2 Monitoring: Yes
• Sleep Tracking: Advanced sleep monitoring
• Activity Tracking: Steps, calories, distance, and more
• Other Sensors: Accelerometer, gyroscope, ambient light sensor

Battery

• Battery Capacity: 500mAh
• Battery Life: Up to 14 days (typical usage)
• Charging: Magnetic charging dock, 2 hours to full charge

Connectivity

• Bluetooth: Bluetooth 5.2
• Wi-Fi: Yes (2.4GHz)
• NFC: Yes (for payments and pairing)
• GPS: Dual-band GPS (L1 + L5)

Operating System

• OS: Wear OS with Xiaomi’s custom interface

Smart Features

• Notifications: Call, message, and app notifications
• Voice Assistant: Google Assistant
• Music Control: Play, pause, and skip music directly from the watch
• Health Features: Stress monitoring, menstrual tracking, guided breathing exercises
• Companion App: Mi Fitness app for detailed insights

Package Contents

• Xiaomi Watch S4
• Magnetic Charging Dock
• User Manual