In the highly competitive market of smart wear, smart watches can be said to be dazzling, with a wide range of types, and I don't know how to start. Just in time, the author got a Weile Xiaohei 3, and can share with you some experience of wearing it.

Corrugated craters printed with Weile logo contain a simple and environment-friendly pure black gift box, giving people a low-key but dignified and elegant trend, firmly attracting people's attention. Behind the gift box are the name, model, dealer, manufacturer, brand and other information.

Open the gift box, on the left is a hollowed out green paper cover, which contains the introduction guide, certificate and other card books, and the hollowed out design is the English brand name "WELOOP". The accessories of all watches on the right are neatly arranged in plastic fixtures. It looks artistic and fashionable, and is very suitable as a gift. Accessories include watch body, watch strap, suction cup charger and a data cable.

The watch body is made of diamond like carbon film metal using DLC technology. This metal has the characteristics of high hardness, good corrosion resistance, smooth surface, small friction coefficient, and good wear resistance, which can maintain stable performance even in oil or water environment. The watch surface is made of super wear-resistant special glass, and the glass hardness reaches Mohs hardness 8, exceeding the app watch sport version. This is most suitable for people to wear on their bodies. It is not easy to wear in sports, work and other activities. After 10 days of wearing, the watch is still as good as new.

The standard strap of the small black 3 is a black TPEE strap. The excellent flexibility of TPEE material at room temperature and low temperature plus the design of strap characteristics. Let the watchband perform well in terms of breathability and sweat transmission, durability, waterproof, anti-aging and comfort. In addition, it is worth mentioning that the watchband of the Xiaohei 3 continues the characteristics of the Xiaohei 2. It is multi colored and multi series, easy to load and unload, and better matches the user's wearing scene. The author now only has standard black, and is planning to buy other watches to match.

The small black 3 has a net weight of 36G. The square watch with curve design is lighter and thinner than other smart watches. The square watch with curve design is more close to the hand and more comfortable to wear. Even the sleeping time can be comfortably worn to better monitor the heart rate changes and physical activities during sleep, and analyze the sleep quality.  

The small black 3 has a 2.5D full fit touch color screen, which can be displayed continuously without black screen and all-weather color screen. There are more personalized dials to choose from. At the same time, it is a touch operation. There are only two buttons on the body: the return button and the confirmation button, making it easier for people to master various functions. Even in motion, it can be easily and accurately operated.

Xiaohei 3 can monitor the heart rate of competitive sports in real time, and its accuracy is comparable to flagship products such as high-end applewatch and garmin. Heart rate detection principle: The optical heart rate module is composed of a green LED light group and a device that receives green light reflection. The green light will be absorbed by red blood vessels, and the expansion and contraction of blood vessels will affect the amount of green light absorbed. The number of green light reflected from the device to the skin also changes accordingly, so the heart rate can be calculated according to the frequency of this change. However, due to skin color, ultraviolet ray, vibration of movement and other factors, the induction is not in place. The small black 3 adopts a 9-axis attitude recognition sensor, which can more accurately identify a variety of motion data, support more detailed motion data analysis, and reach the professional sports watchband monitoring level. The picture captures all the activity data of the day for the author. The data records the amount of activities of the author every minute.

All kinds of fitness, running, cycling and other apps can be connected to Xiaohei 3, so that more professional sports data collection apps can be viewed in detail and shared with good friends.

The endurance is the biggest disadvantage of smart watches. Compared with traditional watches, which can work for years, decades, or even forever, smart watches can be charged every hour and every day, which makes people very upset. Another surprising advantage of the Xiaohei series is its super long endurance. From 30 days of Xiaohei 2 to 40 days of Xiaohei 3, it absolutely surpasses other similar products. At the same time, the Xiaohei 3 is also fast to charge. It can be charged for 5 minutes and used for 48 hours, so that people can save time and worry in life and work.

Waterproof, although it is the standard configuration of every watch, the small black 3 has reached the 5ATM standard. Not only swimming, but also snorkeling. The author completely soaked Xiaohei 3 in water for half an hour, without any impact, and Xiaohei 3 still works normally.

Of course, Xiaohei 3 not only plays a role in various sports. At the same time, there are many other functions. For example, you can freely switch time, weather, watch SMS, WeChat messages, news, call reminder, remote photo taking, music control, etc.

Xiaohei 3 is not only suitable for various sports, but also for busy business work, and also more convenient for people's life. If you are a sports enthusiast, real-time monitoring and detailed data analysis will enable you to better master your own exercise volume and plan your exercise plan. Even if your favorite sport is swimming, it can also be accurately monitored and analyzed. If you are a white-collar worker with heavy business work, it can push all kinds of information for you in a timely manner without always looking at computers and mobile phones. At the same time, it will regularly remind you to be sedentary so that you can move. There is also a small black 3 super long endurance, so that you can only charge a few times a year. Such a smart watch is worth having.

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