In recent years, with the rapid development of major mobile phone brands, some smart wearable devices have also developed rapidly. Digital devices such as bluetooth headphones, sports bracelets and smart watches are also favored by more and more mobile phone users. Such smart wearable devices have gradually entered the lives of many people, and have also become indispensable digital products in some people’s lives.

The emergence of digital products like these also enriches our daily life. For example, a smart watch that I want to share with you today supports offline payment, exercise mode, blood oxygen detection and other functions, and it also provides us with great help in daily life. Today’s protagonist is this Haylou RS4 smartwatch, let’s enter the evaluation of this issue together.

| Design & Specifications & Price

I still like the design of the Haylou RS4 smart watch, the bright fog metal frame, the overall appearance level of appearance is still relatively advanced.

The dial is square in design, and its screen uses a 1.78″ AMOLED HD display. The advantage of this screen is that it can bring unprecedented detail clarity with lower power consumption and faster response speed, making every screen stunning.

There is a button on the right side of the smart watch, and some functions can be operated by pressing the button. The strap of the smart watch is made of skin-friendly silicone material, which is soft and comfortable to touch. I have been wearing it for a few days, and the overall wearing experience is very good.

The strap of Haylou RS4 is designed as a hidden storage method, and it is relatively stable to wear. The advantage of this design is that even if you wear it for running or playing basketball, you will not worry about falling off.

The design of the back of the watch has a sensing area in the center, and blood oxygen monitoring is monitored through this sensing area. The two small dots above are the charging area of ​​the smartwatch. Haylou RS4 uses a magnetic charging mode. The advantage of this charging method is that the charging interface of the watch is not exposed, and the watch is not afraid of water entering when washing hands every day.

Haylou RS4 smartwatch supports IP68 waterproof rating, and there is no problem in washing it in water. Sports sweat or heavy rain can also be easily dealt with.

Haylou RS4 Specs and price:
  • Bluetooth 5.1
  • 1.78″ AMOLED HD display
  • 368*448 resolution
  • IP68 waterproof rating
  • 12 workout modes
  • Health management
  • Alipay offline payment
  • 10-25 days battery life (daily/basic use mode)
  • $45 – Check latest price on: AliExpress (Haylou Official Store), Banggood

| Use experience

Haylou RS4 has built-in dials with different styles, which users can set by themselves. You can also customize your favorite pictures in the HAYLOU APP.

Haylou RS4 built-in 12 sports modes, including cycling, mountaineering, walking, outdoor running, spinning, indoor running, yoga, free training, basketball, football, rowing, and gymnastics, basically covering the mainstream sports.

I have also used its outdoor running and basketball modes these days. Turn on the corresponding sports mode before exercising, and when the exercise is over, the watch will record some data about our exercise. Data such as exercise duration, average heart rate, and energy expenditure.

And after we exercise, these data can also be saved, and we can view the exercise data at any time in the watch.

Haylou RS4 smartwatch also has built-in sleep monitoring, heart rate, blood oxygen and other functions to monitor health data in real time.

In addition to these main functions, Haylou RS4 also adds call reminders, message reminders and WeChat reminders.

Connecting the mobile phone through bluetooth, the phone’s incoming calls, WeChat and various APP information can be synchronized to the watch in real time to remind us, so that we will not miss every important information.

Haylou RS4 smart watch also supports Alipay offline payment function. After binding Alipay through the smart watch, you can turn on the watch payment when paying. This feature is still very suitable for friends who often go out shopping.

Haylou RS4 also adds several thoughtful features, such as music controls, weather notifications and finding your phone. In terms of battery life, the Haylou RS4 smartwatch is equipped with a 230mAh battery, which can be used for up to 25 days when fully charged (basic use mode).


The Haylou RS4 smart watch is not only beautiful in appearance, but also rich in functions. It has practical functions such as heart rate, blood oxygen, and sleep monitoring. It also added the functions of incoming calls and information reminders, and the offline payment function is even more commendable.

As a smartwatch under $45, Haylou RS4 can basically meet the needs of daily exercise and health management. If you’re looking to buy an affordable smartwatch in the near future, the Haylou RS4 is really worth considering.

Check the Haylou RS4 price:

Leave A Reply

Exit mobile version