Haylou RS4 Plus

Reference: 3803

Haylou LS11 RS4 Plus - Improved version of Haylou's flagship for 2022.1.78" Retina Ultra HD display with AMOLED technology, 368 x 448 px resolution with 60Hz refresh rate, metal body, Bluetooth V5.1 connectivity with Haylou Fun app, Sp02 (blood oxygenation), heart rate and sleep monitoring, skin temperature sensor. Integrated pedometer, motion sensor, breathing exercise, music player, calories burned, alarm clock, stopwatch, weather forecast and phone notifications (sms, phone calls and apps). More than 100 sports modes. Dust and water resistance with IP68 certification, battery life up to 28 days (10 days with continuous use of blood oxygenation, blood pulse and skin temperature monitoring).

Replacement bracelet size of 20mm fits this device.


1479.34 tax excl.

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Haylou, one of the most famous and best manufacturers of budget smartwatches, comes with the latest addition to its flagship RS series for 2022.

The most essential function of the Haylou RS4 Plus watch

  • Touch Retina UHD AMOLED display with a diagonal of 1.78" with a refresh rate of 60Hz
  • Battery with a capacity of 230 mAh for up to 28 days of operation
  • A large selection of dials
  • Heart rate monitoring
  • More than 100 sports activities
  • Notifications from the phone
  • Waterproof with IP68 certification
  • Android and iOS compatibility

Precise quality and workmanship

The Haylou RS4 Plus smart watch has a modern and elegant design with a large square display with rounded sides. This is a UNISEX model that will be appreciated by both men and women. In addition to the touchscreen, the device also has a physical button that is used to turn it on and off, or to control sports modes. The refresh rate of 60Hz ensures smoothness and sharpness of the image, which will be perfectly readable even in direct sunlight.

The thin and light body of the watch is made of high-quality aluminum, thanks to which the weight of the watch is only 57.6g, so it will not interfere with your hand at all.

In the package, you will find a silver-colored bracelet with a magnetic closure, which is suitable for all-day wear. Would you prefer a metal or leather strap? Not a problem. The watch is equipped with a universal clasp with a width of 20 mm, which offers you unlimited possibilities to adapt to your style.

Your personal sports coach

The Haylou RS4 Plus watch is suitable for any athlete, whether you just run recreationally, overcome your own limits, or just like to go for a walk, the watch will help you monitor your activities. They will offer you more than 100 sports modes, which include cycling, running, skiing, basketball and others.

What can you track in your activities? Each of the activities will offer different metrics. You will most often encounter exercise time, heart rate, distance, average pace, number of steps or number of calories burned. In short and simply, they will be your ideal sports coach who you will always have at hand.

Your personal health advisor

If you are a supporter of a healthy lifestyle and want to have everything under control, then the watch is just for you. You can, for example, monitor the level of oxygen in the blood - SpO2. Low oxygen levels in the blood can easily cause fatigue, lack of energy and reduced concentration. This condition can occur at any time during the day. The risk group is primarily athletes and people intensively straining the brain.

But they will also help you with all-day heart rate monitoring or smart sleep monitoring, where they will automatically record times and states of sleep. You will also receive reminders to stand, walk or stretch during sedentary work or study, as well as breathing exercises to relieve stress and relax the mind and body.

Battery life you can count on

The Haylou RS4 Plus smart sports watch can last up to 28 days on a single charge in basic use mode. However, if you are an avid athlete or use your watch 24 hours a day, day and night, the battery will last you up to 10 days on a single charge.

Resistance certification

The watch has a certified IP68 resistance. So you can easily use them when washing dishes, taking a shower, etc. They also handle excessive sweating or rain with ease.

Smart features and notifications

The Haylou RS4 Plus is equipped with Bluetooth V5.1, thanks to which you can easily connect the watch to your smartphone and immediately start receiving smart notifications in the form of calls, messages and information from various applications directly on your hand. Simply raise your wrist and you know everything in the first second. They will offer various time functions, weather notifications, music control or finding a lost phone.

Do you not like the design of the watch face? Simply change it. You will have more than 100 watch faces to choose from in the watch and download in the Haylou Fun app with the option to set your own background photo.


Data sheet

1.78" Retina UHD Amoled, 368 x 448 px
Bluetooth V5.1
Other features:
More than 100 sports activities
Phone notifications, optical heart rate sensor, sleep monitoring, skin temperature measurement, SPO2, accelerometer, pedometer, music player, find your phone function, stopwatch, IP68 dust and water resistance.
Operating system:
Compatibility: Android 6.0 and higher / iOS 11 and higher
45.2 x 37.2 x 10.4mm
230 mAh
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