UHD Retina Grade AMOLED Display
The Haylou RS4 Plus with a 368*448 Pixel’s unprecedented visual clarity, the large 1.78-inch screen provides 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 be currently available.
Multi UI Main Menu According to Your Style
Haylou RS4 Plus has various kinds of UI operations: a cellular model and 360° unrestrained smooth sliding. Show personality and suit your style.
Smart SpO2 Tracking
Sleepiness and fatigue after high-intensity exercise or work are insufficient oxygen in the body. Raise your wrist to test your blood oxygen level and keep your health under control.
* Monitoring data and results are for reference only, not diagnosis and treatment.
30 reviews for Haylou RS4 Plus Smart Watch