HD Retina Grade AMOLED Display
WIth 368*448 Pixel unprecedented visual clarity, the large 1.78-inch screen provides you with a precise and clear experience anytime, anywhere. The 60HZ refresh rate continues to optimize the user experience, which is rarely for round smartwatches that can currently available.
Magnetic Strap Comfortable to Wear
It can be quickly taken apart and is comfortable to wear and take off. Suitable for people worried about the belt buckle and hole size mismatch.
100+Online Watch Faces to Suit your style
More than 100+ stylish watches faces, or even upload your own photo as the background image for true personalization.
100+ Sport Modes-A Trusted Fitness Partner
Haylou RS4 Plus has 105 workout modes. It can record real-time exercise data, helping you track and improve your athletic performance.
Multi UI main Menu Suit Your Style
Three kinds of UI operations such as cellular model, 360° unrestrained smooth sliding. Show personality and suit your style.
Smart Sleep Monitoring-Deep Sleep Recording Helper
The percentage of deep sleep is an important criterion of sleep quality. Haylou RS4 Plus actively monitors sleep time and status to help you develop good sleep habits.
Smart SpO2 Tracking
Sleepiness and fatigue after high-intensity exercise or work is a sign of insufficient oxygen in the body. Raise your wrist to test your blood oxygen level and keep your health under control.
Smart 24-hour Heart Rate Monitoring
Haylou RS4 Plus can accurately detect your heart rate 24 hours a day and detect even slight change, welly knowing your every heartbeat.
All Day Pressure Monitoring
The Haylou RS4 Plus can monitor your pressure all day-even while sleeping. The watch is a comprehensive and easy-to-use health partner for everyone.
Women’s Health Tracking Intimate Care for Special Days
Easily record and remind menstrual cycle. Reminders are also added for fertile period, giving you intimate care in special days.