Key Features:
- Display: 1.74”AMOLED
- Resolution: 360×480, 336 PPI
- Screen brightness: Max 1200 nits
- Wireless connectivity: Bluetooth®5.4
- Wrist strap material: TPU
- Adjustable length: 135-205mm
- Operating temperature: 0°C to 43℃
- Battery Capacity: 350mAh
- Battery Life: 21 days
- Charging time: Approx 75min
- Supported App Mi Fitness
- 2.5D cover glass
- 77% screen-to-body ratio
- 1200nits Max brightness with ALS60Hz high refresh rate for smooth viewing
- High quality metal frame with new straps
- Linear motor with 20+ vibration modes
- 21-day ultra-long battery life
- Professional Workout Analysis
- 5ATM water resistance
General Features:
- Weight: 40.4g with strap
- Dimension: 43.3×32.5×10.8mm
- Sensors: Heart rate sensor (with blood oxygen sensor), accelerometer,gyroscope, electronic compass,
- ambient light sensor
- System requirements: Android 8.0，iOS12 or above
- Satellite Positioning Systems: BeiDou, GPS, GLONASS, Galileo, QZSS
- Independent GNSS five-satellite positioning
- Newly added compass function
- Multi-dimensional health management: SpO₂ monitoring |sleep monitoring| stress monitoring| Women’s Health management | Breathing exercises to relieve stress.
Colors
- Obsidian Black
- Rose Gold
- Moonlight Silver
- Cream White
Display
- Size & Type: 1.74‑inch AMOLED touch display
- Resolution: 336 × 480 pixels
- Brightness: Up to 1200 nits with auto brightness adjustment
- Actual display size may vary.
Build & Materials
- Cover Material: 2.5D reinforced glass
- Shell Material: Aluminum alloy frame + high‑strength fiber polymer
Sensors
- Accelerometer
- Gyroscope
- Electronic compass
- Optical heart rate & pulse oximeter
- Ambient light sensor
Water Resistance
- Rating: 5ATM (up to 50 meters)
- Suitable for swimming and shallow‑water activities; avoid hot showers, saunas, diving, and direct impact from strong currents.
- Water resistance may decrease over time.
Connectivity
- GNSS (supports BeiDou, GPS, GLONASS, Galileo, QZSS)
- Bluetooth® 5.4
Battery & Charging
- Capacity: 350 mAh
- Type: Magnetic charging
- Charging time: Approx. 75 minutes
Test data from Xiaomi internal lab; actual time may vary.
Strap & Fit
- Compatible wrist circumference: 135–205 mm
- Band strap material: TPU // Calfskin
Compatibility & Apps
- Operating systems: Android 8.0 or iOS 12.0 and above
- Compatible app: Mi Fitness app
Package Contents
- Crown × 1
- Strap × 1
- Charging cable × 1
- User manual × 1
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