Mi Band 4 Features

Mi Band 4 leak: The band could feature a 135 mAh battery and a coloured display

Mi Band 4 is expected to come with an improved version of its “Heart Rate Monitoring” system.

Xiaomi Mi Band 4 may not arrive soon but its release is definitely set for 2019

The Mi Band 4 may not be announced in the next few weeks but it will arrive later in 2019.