Xiaomi Watch S4 specifications

All the technical specifications of the Xiaomi Watch S4 in one place: a 1.43 inch screen, 486 mAh battery and heart rate monitor. Below you'll find the full overview, from storage and connectivity to what's in the box, so you can check and weigh up every detail.

Height:47.3 mm

Weight:44.5 grams

Width:47.3 mm

Thickness:12 mm

General

• Status:In stores
• Announced:2 march 2025
• Available since:10 march 2025
• Predecessor:Xiaomi Watch S3
• Successor:Xiaomi Watch S4 41mm
• EAN code: 6941812732403, 6941812711668, 6941812707432

Design type

• Watch:

Controls

• Directional key:
• Swivel crown:
• Touchscreen: Multi-touch, Capacitive

User interface

• HyperOS: 2.0

Display

• Color display: 16.777.216 colors (24 bits), AMOLED, Always On feature
• Size: 1.43 inch
• Resolution: 466 x 466 pixels
• Refresh rate: 60 Hz
• Aspect ratio: 1:1
• Peak brightness: 1500 nits
• Pixels Per Inch (PPI): 461
• Screen-to-body ratio: 29.5%

Carry mode

• Strap: Interchangeable
• Wrist Size: 135-210 mm

Materials

• Aluminium:
• Dust and waterproof: 5 ATM

Telephony

• Integrated handsfree speaker:

Personalisation

• Multiple homescreens:
• Widgets:

Personal Information Management (PIM)

• Agenda:
• Alarm clock:
• Date and time notation:
• Reminder list:
• Stopwatch & countdown timer:
• To-do list:

Available applications

• Calories:
• Pedometer:
• Sleep tracker:
• Stressmonitor:

Navigation

• Beidou:
• Digital Compass:
• Galileo:
• GLONASS:
• GPS receiver:
• Quasi-Zenith (QZSS).:

Audio

• Built-in speakers:
• Microphone:

Connections

• Pogo pin:

Connectivity

• Bluetooth: v5.3
• NFC:

Power supply

• Battery: Li-ion
• Capacity: 486 mAh

Sensors

• Ambient light sensor:
• Barometer:
• Gesture recognition:
• Gyroscope:
• Heart rate monitor:
• Oxygen saturation (SpO2):

Compatibility

• With Android: From 8.0
• With iOS: From 14.0

Contents of the package

• Manual:
• Oplaadcase:
• Warranty Card:
• Wristband: