In recent years, smart wearable products have become hot, and smart bracelets and watches are a big category. The Xiaomi bracelet has always been loved by users at a price close to the people, and has further reduced the price of wearable products. What are the advantages and disadvantages of the Xiaomi bracelet in the 2nd generation compared with the 1st generation? Let’s take a look.
For example, my dad needs a bracelet to count. Every day, I will share with you how many steps he has taken, so that the Xiaomi bracelet 1 can meet the requirements. Some friends may need the bracelet to be able to answer calls and other complicated functions. In the previous paragraph, I received a 37-degree wristband, which can also measure blood pressure and measure the fatigue at that time. I think it may be more suitable for some elderly people or friends who need to pay attention to rest when they are busy.
My requirements for smart bracelets are relatively simple. I personally think that smart wearable products should bring convenience to people's lives rather than being cumbersome.
First, the smart bracelet must be simple and beautiful. After all, it should be worn on the hand. The position is more conspicuous. It is too ugly to wear it.
Second, the necessary functions have different requirements for different groups of people. Just say mine, step by step - all bracelets are available, just like watches need to have time to display; time display - wearing a bracelet can not wear a watch, easy to see time, reduce the number of open mobile phones;
Third, the necessary information reminder, the last sentence of the same point, because it takes a lot of time on the mobile phone, when using the mobile phone to watch the time or read the information, it may be necessary to brush a microblog to see a circle of friends. There are other functions of the bracelet, such as heart rate, sleep quality supervision, etc., I think it is a icing on the cake.
Fourth, the longer battery life will not be bought for the bracelet that needs to be recharged every day or even every week.
Fifth, the comfort is good. This is actually very important, but if it is not difficult to feel comfortable, it is the last one.
Let everyone enjoy the fun of technology - this is the dream of every millet, and the goal that every millet people pursue. As the explosion product of Huami, Xiaomi bracelet, after more than a year of accumulation, finally ushered in the upgraded version of 2 generations, the biggest change is the screen display, and then not only this, let me show you the new millet Bracelet 2!
As the first user of the Xiaomi bracelet, Xiaomi bracelet 1 left a deep impression on me, not only because of its long standby, smart reminder, but also because of the price of its close to the people, a high-rise smart wearable device The altar, walking into normal life, this is the power of the Xiaomi ecological chain.
Today, the new millet bracelet 2 is really popular. Many people want to buy it. It is definitely a special reason. The first is the value of the watch.
Like the Xiaomi bracelet 1 package, it has a hard kraft paper box and is very good in texture. It comes with a black wristband, a charging cable and a manual. The only difference from the bracelet 1 is the removal method of the rice. The bracelet 2 must tear the paper strip on the back. I think the reason is to prevent the rice from being fixed in the middle of transportation. The same design principle is also used in the wrist. Bring it to the back and show it to everyone.
Mentioned the Xiaomi bracelet 1, then let's take a look at the difference between the two. Overall, the styling and design concept has continued. The biggest change is the middle rice grain, which increases the screen display and touch buttons. The overall size of the bracelet 2 is slightly larger than the millet 1, but the wristband comfort is my personal task. Better than a generation, softer and more comfortable.
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USB3.0 is a USB specification, which was initiated by Intel and other companies. The maximum transmission bandwidth of USB3.0 is as high as 5.0gbps (500MB / s).
While maintaining compatibility with USB2.0, USB3.0 also provides enhancements: significantly increased bandwidth (up to 5Gbps full duplex); better power management;
more power; faster device identification; and higher data processing efficiency.
The reason why USB 3.0 has the performance of "speeding" is entirely due to the improvement of technology.
Compared with USB 2.0 interface, USB 3.0 adds more physical buses in parallel mode.
You can pick up a USB Cable and look at the interface.
On the basis of the original 4-wire structure (power supply, ground wire, 2 pieces of data), USB 3.0 adds 4 lines for receiving and transmitting signals.
So there are eight lines in the cable and on the interface.
It is the additional 4 (2 pairs) of lines that provide the bandwidth required for "superspeed USB" to achieve "over speed".
Obviously, two (1 pair) lines on USB 2.0 are not enough.
In addition, in the signal transmission method, the host control mode is still used, but the asynchronous transmission is changed.
USB 3.0 makes use of two-way data transmission mode instead of half duplex mode in USB 2.0 era. In short, data only needs to flow in one direction, which simplifies the time consumption caused by waiting.
In fact, USB 3.0 does not take any rarely heard of advanced technology, but theoretically increases the bandwidth by 10 times. As a result, it is more friendly and friendly. Once superspeed USB products come out, more people can easily accept and make better customized products.
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