Resolution: 1.78″ large retina AMOLED full screen
Satellite positioning: 368*448 60Hz refresh rate
Sport Mode: 105 modes
Battery life: l0 days Typical usage mode
Health functions: Blood oxygen, Heart rate, Sleep, and other health functions
Watch face: Various watch faces + Customized watch faces
System: Brand new UI interaction system, switching between multiple view modes
Strap: 3 fashion colors Magnetic strap
Bluetooth version: Bluetooth 5.1
Bluetooth camera: No
HD Retina Grade AMOLED Display
With 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.
Magnetic Strap is 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 watch faces, or even upload your 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 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 Sleep Monitoring with Deep Sleep Recording Helper
The percentage of deep sleep is an essential 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 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.
Haylou RS4 Plus Heart Rate Monitoring screen
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 Stress 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.
Haylou RS4 Plus Female Cycle screen
Female Menstrual Cycle Reminder
The menstrual period and the ovulation period can be recorded and can be more intimate reminding before coming.
IP68 Dustproof and Waterproof
The watch is IP68 waterproof. There is no need to take off the watch when washing your hands, and you can easily cope with sweating during workouts or stormy rains when you are out.
10-day Battery Life – No Need Recharging During Workdays
Haylou RS4 Plus packs an existence of super-powerful features in its slim body yet still has enough endurance to last for up to 10 days from a single full charge with typical usage.