Xiaomi Watch S4 41mm Fluoro rubber strap

Screen Display technology: AMOLED Screen size: 1.32 inch Resolution: 466 x 466 pixels Face size: 41 mm Design Surface material: Tempered glass Frame material: stainless steel Strap material: Rubber Cable width: 1.8 cm Suitable wrist circumference: 12 - 19 cm Strap interchangeability: Have Size, weight: Length 41.2 mm - Width 41.2 mm - Thickness 9.5 mm - Weight 32 g Utilities Sports: Walk Tennis Rope skipping Badminton Jogging Swimming Cycling Football Tree Supports making and receiving calls: Make and receive calls directly on your watch. Special features: The screen is always on. Detecting falls Connect the headphones via Bluetooth. Water resistant / Water resistant: Water resistant 5 ATM - ISO 22810:2010 (Suitable for showering and swimming in shallow water) Health monitoring: Measure oxygen concentration (SpO2). 24-hour heart rate monitoring Sleep tracking Monitor stress levels. Track your menstrual cycle. A reminder to exercise less. Measure heart rate Count your steps. Breathing exercises Other features: Find the watch Touch screen Countdown timer Stopwatch Camera controls Music playback controls Find the phone Watch face replacement Weather forecast Alarm clock Touchless control Built-in speaker and microphone Share your location in real time. Display the message: Line Messenger (Facebook) Viber Zalo Message Call Battery Battery life: Approximately 3 days of regular use (standard mode) Approximately 8 days (in basic mode) Charging time: Approximately 2 hours Battery capacity: 320 mAh Charging port: Magnetic charging base Configuration & Connection CPU: The company did not announce it. Internal memory: 4 GB Operating system: HyperOS Connects to the operating system: Android 8.0 and above iOS 14.0 and above Management application: Mi Fitness Connect: Bluetooth v5.4 NFC Sensors: Ambient light sensor Gauge Temperature sensor Optical heart rate sensor (PPG) Gyroscope Accelerometer Electronic compass Location: Beidou GLONASS GPS QZSS Dual-band (L1 and L5) Galileo Other information Manufactured in: China Release date: September 2025 Language: Vietnamese English Chinese Company: Xiaomi