Haylou Watch 4S – Technical Specifications

Display

• Screen Size: 1.43-inch AMOLED
• Resolution: 466 × 466 pixels
• Brightness: Up to 1000 nits
• Glass: 2.5D curved, scratch-resistant

Design & Build

• Material: Aluminum alloy rotating crown
• Weight: ~62g (with strap)
• Water Resistance: 1ATM (rain, sweat, hand wash)

Connectivity

• Bluetooth: 5.3
• Compatibility: Android 9.0+, iOS 13.4+
• GPS: 5-system (GPS, BeiDou, GLONASS, Galileo, QZSS)

Battery & Performance

• Battery Capacity: 400mAh
• Battery Life:
• Up to 18 days (basic mode)
• Up to 10 days (daily use
• Up to 26 hours (GPS mode)
• Charging: Magnetic charger

Health & Fitness Tracking

• Heart Rate Monitoring: 24/7
• Blood Oxygen (SpO2) Monitoring
• Sleep Tracking (deep, light, REM)
• Stress Monitoring
• Mestrual Cycle Tracking
• 120+ Sports Modes

Smart Features

• Bluetooth Calling (answer/reject calls)
• Voice Assistant
• Notifications (calls, SMS, apps)
• Remote Camera Control
• Custom Watch Faces (200+ options)
• Find My Phone/Watch

Additional Features

• Sedentary Reminder
• Breathing Exercises
• Weather Forecast
• Stopwatch, Timer, Alarm
• Do Not Disturb Mode
• Flashlight

Included Accessories

• Replacement strap
• Screen protector
• Magnetic charger
• Quick start guide

1 year official warranty

Note: Product delivery duration may vary due to product availability in stock.
Disclaimer: The actual color of the physical product may slightly vary due to the deviation of lighting sources, photography or your device display settings.