Display
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Size: 1.97" AMOLED
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Type: LTPS, rectangular
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Refresh Rate: 60Hz
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Brightness: Up to 600 nits
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Always-On Display (AOD): Yes
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Display Area: +26% vs. previous model
Design & Build
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Frame: Aluminum alloy (not full body)
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Crown: Stainless steel rotating crown for UI navigation
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Strap System: All-new quick-release mechanism
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Watch Faces: 200+ stylish, customizable faces
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Colors: 2 main body color options (varies by region)
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Water Resistance: 5ATM (up to 50m)*
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Automatic Water Drainage: Yes
Fitness & Activity
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Sports Modes: 150+
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Guided Warm-Ups: Available for selected activities
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Positioning:
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Built-in GNSS chip
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Supports 5 satellite systems: GPS, GLONASS, Galileo, BeiDou, QZSS
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Works independently or with phone
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Health Monitoring
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Heart Rate Monitoring: 24/7 with 4-channel PPG sensor
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SpO₂ Monitoring: 24/7 blood oxygen saturation*
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Sleep Monitoring: Tracks deep, light, and REM sleep
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Stress Monitoring: Continuous; breath prompt if stress is high
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Breathing Exercises: Yes (manual activation)
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Menstrual Health Tracking: Not mentioned
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Emergency SOS: Triple-press crown to alert emergency contact (Bluetooth required)*
Smart Features
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Bluetooth Calling:
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Accept/reject calls
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Use built-in mic & speaker
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No support for third-party app calls
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Notifications: App alerts, calls, messages
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Voice Assistant: Not specified
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Mi Fitness App Integration: Yes
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Syncs With:
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Apple Health
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Strava (via app, not direct connection)
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Other Utilities:
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Weather
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Alarm
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Timer
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Music control
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Flashlight
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Battery Life
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Typical Use: Up to 20 days*
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AOD Mode: Up to 10 days*
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Long Battery Mode: Up to 30 days*
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Charging: Magnetic charging
Compatibility & App
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App Required: Mi Fitness
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Data Sync: Health and fitness data sync via app
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Emergency Contact: Requires setup in app
Disclaimers & Notes
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Not a medical device – All measurements are for personal reference only
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Battery life will vary based on usage, features enabled (e.g., AOD, SpO₂, GNSS), and environment
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Water resistance is not permanent and may degrade over time
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Bluetooth Call feature requires a constant connection to your smartphone
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Emergency SOS needs to be manually enabled and requires active Bluetooth connection
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Some strap colors/accessories sold separately