Haylou 4S 1.43" AMOLED Display With 3ATM Waterproof BT Calling Smart Watch

Details

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
Menstrual 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