Xiaomi Watch S4 41mm Smart Watch

Technical Specifications

• Product Name: Xiaomi Watch S4 41mm Smart Watch

• Brand: Xiaomi

• Model: Watch S4 (41mm)

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

• Weight: Approx. 32g (without inbox strap)

• Frame Material: Stainless steel

• Strap Options:

  • Black: Fluororubber strap (120-190mm)

  • Mint Green: Fluororubber strap (120-190mm)

  • White: Leather strap (120-190mm)

  • Sunset Gold: Milanese strap (130-190mm)

• Display:

  • Panel: 1.32-inch AMOLED

  • Resolution: 466 × 466 pixels (352 PPI)

  • Refresh Rate: 60Hz

  • Brightness: HBM 1500 nits

• Battery:

  • Capacity: 320mAh

  • Light Usage: Up to 8 days

  • Normal Usage: Up to 4 days

  • Heavy Usage: Up to 3 days

• Sensors:

  • Heart rate sensor (with blood oxygen sensor)

  • Accelerometer | Gyroscope | Ambient light sensor

  • Electronic compass | Barometer sensor | Temperature sensor

• Satellite Positioning: GPS, Galileo, Glonass, BeiDou, QZSS

• Water Resistance: 5ATM (suitable for swimming and shallow water activities; not for hot showers, saunas, or diving)

• Audio: Speaker + 1 microphone

• Bluetooth Calling: Supported (requires smartphone connection; third-party app calls not supported)

• Connectivity: Bluetooth 5.4

• NFC: Supported (availability may vary by region)

• Operating System: Xiaomi HyperOS 3

• Compatibility: Android 8.0+ or iOS 14.0+

• Charging: 2-Pin magnetic charging dock

• Included in Box: Xiaomi Watch S4 41mm, Magnetic charging dock, User manual (including warranty notice)