Xiaomi Mi Band 4 Global Version Black

0.95 inch Color AMOLED Touch Screen 

120 x 240 pixels, Screen brightness up to 450 nits, all-new user interface - smoother and simplified touch screen experience, brightness adjustment mode, 2.5D tempered glass with anti-fingerprint coating.

Feature With 5ATM Water Resistant Rating

One of the things that set the Mi Band 3 apart from many other feature-laden smartwatches available is its 5ATM water resistant rating - withstands pressures equivalent to a depth of 50 meters, making it a charm when being exposed in rain, splashing, accidental submersion, showering, surface, swimming.

Sports Details Function

In the sports modes of the Mifit APP, if you turn on one of the sports modes of treadmill,outdoor running, riding or fast walking, just lift your wrist and check the length, mileage, heart rate, speed and other data on your bracelet.

Notification Display  & Reject Phone Calls

While Bluetooth connecting, if there is an incoming call, it would show the caller ID. Almost notification of APPs could be synchronized to the watch.

3 Pages Message Display

Support to check the latest 5 messages, If each text of message  exceeds the display, touch the button can display in next page. (up to 3 pages can be displayed).

Raise Wrist To Wake Up The Screen

Raise your hand to brighten the screen without taping screen to see real-time states including sports data, time and heart rate.

Count steps/Distance/Calories burned

Mi Band 4 helps you record all your activities in the day,calculate the distance you walk and calories burned,take care of your health, monitor your sleep, remind you to have a rest and track your steps, mileage and calories for high quality sports.

24 Hours Heart Rate Monitor

It tracks your heart rate continously at every moment every day. Heart rate recording will start automatically once you wear it on.

Long standby time

Xiaomi mi band 4 with ensures about 20 days ultra-long standby time for a full charging.
A BEAUTIFUL TRANSFORMATION 
Get a wider, more colourful view right on your wrist.
The all-new full colour AMOLED touch display that’s 39.9% larger and brighter than ever before.Instantly view call, text, app notifications and music in play.Keep your hands free as you keep up with life.
Sports Details Function
Sleep monitoring
Accurately tracks light and deep sleep as well as heart rate during sleep to help you adjust your sleep patterns.
A POWERFUL TRANSFORMATION
24/7 Heart rate monitoring keeps you safe and healthy.
Inactivity alerts
When you're too busy and lose track of time, the band will gently vibrate, reminding you to get up and take a walk. 
This helps improve your overall physical health.