According to BGR, the device will get a battery of about 135 mAh capacity, which is updated with MI Band 3 in which the battery capacity was 110 MAH. According to the recent leaks, Mi Band 4 will sport a colorful display rather than a monochrome. It will come with NFC support which was not available on the Mi Band 3 variant. Its expected to come up with a better version of "Heart Rate Monitoring" system.
Speculation also indicates that Mi might have a feature which brought Xiaomi and Huami into the fourth generation of this fitness tracker. No official announcement date has been announced by the brand yet, but it was expected to be launched in April this year, so the device can get the date of launch soon.
The Mi Band 3 comes with 110 mAh battery with 20-days battery life which is 60 percent larger than the previous version. The band also comes with a touch button on the screen which offers various tasks such as answering the call, going to the menu etc. It includes many other functions such as heart rate monitors, step counter, sleep tracker, and activity level monitor. The price was of Mi Band 3 in India Rs 1,999.
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