The Haylou Watch 4S Smart Watch is a stylish and powerful wearable designed to keep up with your active lifestyle. Featuring a stunning 1.43-inch AMOLED HD display with 466×466 resolution, it delivers vibrant colors and sharp clarity for an exceptional viewing experience. The premium aluminum alloy frame with a rotating crown ensures smooth navigation while adding a modern, elegant touch to your wrist. 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) 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
