Haylou RS4 Plus Smart Watch with AMOLED Screen


1.78” AMOLED display
60Hz Refresh Rate
100+ Online Watch Faces
105 workout modes
Offline payment
SpO₂ tracking
All-day heart rate monitoring
Automatic sleep monitoring
All Day Stress Monitoring
Up to 28-day battery life
Magnetic strap

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  Estimated Delivery: Mar 24 – Mar 28
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HD 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.

368*448 Pixel
1.78-inch AMOLED Display
60Hz Refresh Rate

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.
* 10+ watch faces are available at launch time, and more than 100+ other watch faces will be added gradually by the OTA upgrade.

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.

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.

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.
* Monitoring data and results are for reference only, not diagnosis and treatment.

  • Product name Haylou RS4 Plus
  • Bluetooth version Bluetooth 5.1
  • Supported devices Android 6.0 or iOS 11.0 and above
  • Dimensions 45.2*37.2*10.4mm
  • Strap width 20mm
  • Weight 57.6g (with strap)
  • Display 1.78″ AMOLED display
  • Resolution 368x448px
  • Sensors Heart rate sensor, motion sensor, SpO2 sensor
  • Battery capacity 230mAh
  • Battery life About 10 days (Turn on heart rate monitoring for 24 hours)
  • Water-resistance grade IP68
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