Description
Haylou RS4 Description:
Haylou RS4 Plus
1.78″ Retina AMOLED Display / 368*448 Pixel / Craft with Metal / 105 Sports Mode / 100+Online Watch Faces & Customized Watch Face / SpO2 Heart rate, Sleep Monitoring
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.
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.
