The APP watch faces are constantly updated. Customize the watch face with images of your choice or even your picture.
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Blood Oxygen Testing
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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.
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* Monitoring data and results are for reference only, not for diagnosis.
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Heart Rate Monitoring
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Haylou RS4 can accurately detect your heart rate 24 hours a day and detect even slight change, welly knowing your every heartbeat.
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Sleep Monitoring
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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.
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Breathing Training
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Perform guided breathing exercises at a set rhythm to alleviate stress anytime and anywhere, easily restoring vitality.
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12 Workout Modes
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Haylou RS4 has 12 workout modes. It can record real-time exercise data, helping you track and improve your athletic performance.
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Cycling | Climbing | Fast walking | Outdoor running | Spinning | Indoor running | Yoga | Free training | Basketball | Football | Rowing | Gymnastics
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Active Tracking of Activities
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With a built-in high-precision motion sensor, Haylou RS4 can actively record your daily exercise behavior. Set your goals and strive to realize them.
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Distance
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The watch knows how far you have gone.
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Steps
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Every step counts check in with small goals.
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Calories
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Monitor calories burnt for scientific body management.
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Sedentary reminder
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A timely reminder for a break so you can combine work and rest.
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10 Days Battery Life
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Battery life can last up to 10 days in daily use mode, and it can be used for about 25 days in basic use mode, saving the trouble of daily charging.
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12 days Daily use mode
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20 days Basic use mode
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* Daily mode: heart rate monitoring; sleep monitoring; call reminders twice a day; message reminders 8 times a day; wrist-lift 150 times a day; exercise twice a week, run for 60 minutes each time._x000D_* Basic mode: default watch face; sleep monitoring; turn off phone Bluetooth connection, continuous heart rate monitoring, and other functions.
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Real-time Message Reminder
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Connect to mobile phone via Bluetooth. Calls, WeChat, and various APP information can be synchronized with the watch in real-time so that you don’t miss every important moment.