HAYLOU Watch 4 – Full Technical Specifications
Display & Design
Screen Size: 1.93-inch TFT LCD
Resolution: 320 × 380 pixels (HD)
Touchscreen: 2.5D curved glass
Bezel: Ultra-thin design
Crown: Rotating for navigation
Dimensions: 47.6 × 38.8 × 11.8 mm
Weight: 45g (including strap)
Strap Material: Silicone (interchangeable)
Connectivity
Bluetooth Version: 5.3
Compatibility: Android 9.0+, iOS 13.0+
GPS Support: BDS, GPS, Galileo, GLONASS, QZSS
Sync Apps: Haylou Fun, Strava
Health & Fitness Tracking
Heart Rate Monitoring: 24/7 tracking with alerts
Blood Oxygen (SpO2): Real-time monitoring
Sleep Tracking: Deep, light, REM analysis
Stress Monitoring: All-day stress levels
Menstrual Cycle Tracking: Fertility & period logging
Activity Tracking: Steps, calories, distance
Sports Modes: 120+ (running, cycling, swimming*, hiking, etc.)
Water Resistance: IP68 (rain & sweat-proof, not for swimming)
Smart Features
Bluetooth Calling: Make/answer calls directly
SOS Emergency Call: Quick emergency contact alert
AI Voice Assistant: Voice commands for calls, weather, etc.
Notifications: Calls, SMS, app alerts (WhatsApp, Facebook, etc.)
Music Control: Play/pause/skip tracks
Remote Camera Control: Shake to take photos
Find My Phone/Watch: Anti-loss feature
Battery & Performance
Battery Capacity: 380mAh
Battery Life:
Daily Use: ~7 days (typical mode)
Basic Mode: Up to 15 days
GPS Mode: ~24 hours
Charging: Magnetic charging cable
Additional Features
Watch Faces: 100+ (customizable & downloadable)
View Modes: 8 layout options (list, grid, honeycomb)
Widgets: Quick access to weather, health stats, etc.
Games & Tools: Stopwatch, timer, calculator, flashlight
Do Not Disturb Mode: Customizable settings
In the Box
HAYLOU Watch 4
Magnetic charging cable
User manual
Notes
*Swimming not recommended despite IP68 rating.
Battery life varies based on usage settings.
TWS Earbuds
Cable & USB
Charger & Adapter
Power Bank

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