Xiaomi Mi Band 3
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The third generation of the most popular fitness tracker from the Chinese brand Xiaomi. The device consists of a sealed capsule and a silicone strap, the total weight of which does not exceed 20 g, due to which it is practically not felt on the hand. The device is designed for constant wear, equipped with an improved heart rate monitor, which is based on the optical principle. The gyro sensor has also been improved, with the help of which the number of steps and the distance traveled are recorded.
The bracelet is able to count the number of calories burned, monitor the overall activity of the user and evaluate the quality of sleep. Unlike the second-generation model, the Xiaomi Mi Band 3 fitness tracker received a full-fledged OLED touch display with a diagonal of 0.78" and a resolution of 128x80 pixels. The device can be synchronized with an iOS/Android smartphone and supports eSIM (virtual SIM card) technology, which allows it to function as a standalone mobile device (provided that this technology is supported by the mobile operator).
In synchronization mode with smartphones via Bluetooth protocol, the bracelet can show notifications and caller number, mute the sound, control the alarm clock and even show the weather forecast. The design of the device is completely waterproof and protected from dust — meets the IP68 standard. The bracelet can be used when swimming and can withstand diving to a depth of 50 metres. Built-in battery provides up to 20 days of battery life.
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Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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I bought this bracelet for my mother to replace her broken regular watch, as good watches are costly these days, and this device is dirt cheap. Primarily, it functions as a watch, sleep tracker, and pedometer, and occasionally my mother uses it as a heart rate monitor. Since she's older and sometimes her heart acts up, even a simple pulse measurement helps determine if there's a problem and whether she should take medication. I would love to get a watch with a blood pressure monitor, but their prices are just sky-high. Excellent battery life - around 3-4 weeks (phone notifications off), heart rate monitor, pedometer, sleep tracker. An older person was able to figure it out without any problems, extremely easy device to use. In bright sunlight, the backlight level isn't sufficient to view information because visibility is almost zero. The protective plastic quality on the display is poor, as it gets scratched very easily, and within a couple of months of use, there are already plenty of fine scratches. The app is overly loaded, and on an old Android phone, the latest version lags and stutters terribly, which I resolved by installing an earlier version. In summer, due to the heat, sweat gets into the gaps between the capsule and the bracelet, and it becomes difficult to clean, even though the bracelet is waterproof. I wouldn't want to use chemicals because there's a chance of damaging the device.  Maksim O: use Xiaomi Mi Band 3 few months |
Before that, I didn’t have fitness trackers, this is the first, so there’s nothing to compare with. In general, I liked the bracelet, the shortcomings are covered by the pluses that you don’t notice them. Perfect for both boys and girls. Compact, lightweight, looks stylish on the hand. For lovers of minimalism, that's it. Bright, comfortable display, a lot of functions. What I especially liked was the sleep phase tracking, heart rate monitor, alerts. Many different straps to choose from can be found, for every taste. The screen is not scratched (as some reviews say), although maybe I use it carefully, visibility is sufficient in bright light. Insufficient measurement accuracy, sometimes I’m very sure that I slept or didn’t sleep, but it shows the opposite. Plus, you can take him to the shower in the morning and come out with 200 steps on the screen. Charging is enough iron for a week, which, in principle, is enough and convenient for me, but the manufacturer claims that it takes 20 days.  Vladimir D.: use Xiaomi Mi Band 3 few months |
Awesome smartwatch for the money. I recommend getting a screen film, or better yet a tempered glass protector b/c the screen gets scratched. Style, size, number of functions. Screen and measurement accuracy use Xiaomi Mi Band 3 month or more i recommend it should buy |
Xiaomi fitness trackers hold the palm in the category of inexpensive wearable gadgets for the third generation, which is named after the Mi Band 3.
Touchscreen OLED
The bracelet in the form factor of a sealed capsule inserted into a rubber strap has received a package of significant updates in comparison with its predecessor (Xiaomi Mi Band 2). A cardinal innovation was the appearance in the assets of the tracker of an OLED screen with support for tap control. The display serves to visualize information about the current time, the number of steps taken, the distance traveled, calories burned, heart rate, notifications from related applications and even the weather forecast for the next three days.
High precision measurements
As before, data on the user's activity and sleep quality is collected together in the Mi Fit app. There are often no questions about the reliability of the results obtained. The only structural defect of the bracelet is the low threshold of maximum display brightness, which makes it difficult to read information from it on a bright sunny day.
On the wave of popularity
Without removing the bracelet from the wrist, the user is free to dive under water to a depth of 50 m. However, despite the complete waterproofness of the wearable gadget, for some reason, the programme for measuring activity during swimming was not “brought up” to him. Traditionally, the strength of Xiaomi fitness trackers has always been long-term battery life. Xiaomi Mi Band 3 continued the glorious tradition — without energy supply from the outside, the capsule with electronic hardware keeps afloat for 19-20 days. Let's add to the above the tasty price tag of the bracelet and the abundance of interchangeable straps — as a result, the secret of the model's wild popularity becomes obvious.
