Xiaomi sub-brand Huami has proved that smartwatches don’t have to be expensive and with one-day battery life. By using a lightweight custom OS they have been able to use low power low-cost components to develop watching with all the smart functions most of us need at extremely affordable prices while being able to achieve multi-day battery life.
Source: The best Xiaomi Huami Amazfit Stratos 2 Deal in the UK | Christmas Present Ideas
