Design
Compact Body
HD Large Display
Haylou RS4 is specially made for sports. Easily check information with the 1.78″ large touch control display.
368*448 resolution
Ultra-high resolution and faster response speed
Large-size screen
Clear and stunning
AMOLED HD display
Delicate and fine-textured
Creative Strap Design
The lightweight metal bezel is designed with a technological aesthetic. And the upgraded silicone strap is skin-friendly and breathable for a long time wearing.
Exquisite metal bezel
Gorgeous looking
48.6g lightweight design
Slim and pressure-free
Creative design without a hoop
Stylish and easy to wear
New Look Whenever You Want
The APP watch faces are constantly updated. Customize the watch face with images of your choice or even your picture.
Health
Blood Oxygen Testing
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.
* Monitoring data and results are for reference only, not for diagnosis.
Heart Rate Monitoring
Haylou RS4 can accurately detect your heart rate 24 hours a day and detect even slight change, welly knowing your every heartbeat.
* Monitoring data and results are for reference only, not for diagnosis.
Sleep Monitoring
The percentage of deep sleep is an important criterion of sleep quality. Haylou RS4 actively monitors sleep time and status to help you develop good sleep habits.
Breathing Training
Perform guided breathing exercises at a set rhythm to alleviate stress anytime and anywhere, easily restoring vitality.
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