Xiaomi Mi Band 4: Smart bracelet with artificial intelligence assistant

by Kelvin
Xiaomi Mi Band 4: Smart bracelet with artificial intelligence assistant

Xiaomi Mi Band 4 offers five color variants, which are Black, Orange, blue, Claret Y pink. We have the black variant.

The design of Xiaomi Mi Band 4 is similar to that of Xiaomi Mi Band 3, including the screen and the bracelet.


It will have a 0.95 inch color AMOLED screen, voice assistant and water resistance of up to 50 meters, which makes it a considerable improvement from its very popular predecessor.

  • 0.95 inch (120 x 240 pixels) color AMOLED touch screen with brightness up to 400 nits, 2.5D scratch resistant glass
  • Show time, steps, heart rate, activities, weather, app notifications, calls and more
  • Microphone for voice assistant (NFC edition only)
  • Photoplethysmography (PPG) / Heart Rate Sensor
  • Monitor your fitness and follow your dream, sedentary reminder
  • Three-axis accelerometer + Three-axis gyroscope, capacitive wear monitoring sensor
  • 22.1g / 22.2g (NFC) ultra light body
  • 5ATM (50 meters) waterproof
  • Bluetooth 5.0 LE, NFC (optional)
  • 135mAh / 125mAh lithium-ion polymer battery (NFC) with up to 20 days / 15 days (NFC) of use

There is also a special edition Marvel from Mi Smart Band 4, which includes different interchangeable bands for Iron Man, Captain America and Avengers. This will undoubtedly be a much requested gadget by comic movie fans.

Compared to Xiaomi Mi Band 3, the Start button on the screen changes to flat.

Xiaomi Mi Band 4 comes with a 39.9% larger screen and now uses the AMOLED color screen, and there is even a 2.5D scratch-resistant tempered glass on the top. In addition, the resolution ratio is higher than Xiaomi Mi Band 3.

Xiaomi Mi Band 4 is integrated into 77 tracks, such as Overwatch, Ali the fox, Luo Xiaohei, etc.

Xiaomi Mi Band 4 mainly provides notification, swipe cards and sports health. All functions must be used by Mi Fit.

The notification function consists of calls, messages, reminders and other frequently used applications. Users can choose whether or not to answer calls from Xiaomi Mi Band 4.

Xiaomi Mi Band 4 has an NFC variant, so it can be used as a traffic card and an input card. In addition, it can also work with Xiaomi Mijia smart door locks.

With the high resolution ratio, Xiaomi Mi Band 4 is also compatible with Alipay with QR code.

Sports tracking is the main feature of the Xiaomi bracelet, which can calculate steps and calories. For Xiaomi Mi Band 4, you can monitor 6 sport modes, such as swimming, running indoors, running outdoors, exercising, cycling and walking. And it is also water resistant to 5ATM (50 meters) and features an improved 6-axis high precision sensor to intelligently recognize different types of swimming strokes, including Freestyle, Backstroke, Butterfly stroke and Medley.

Xiaomi Mi Band 4 can accurately record information about sleep quality every night, including data on deep sleep and light sleep. Details can be found in Mi Fit.

I have not always activated the heart rate monitoring function due to the high power consumption, which will reduce the life of the battery.

If you are interested in the Xiaomi Mi Band 4 you can get it in the store GearVita, has a value of $ 69.99 and if you use this coupon "Miband4" the final value will be $ 45.99.

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