Xiaomi Mi Band 3 vs Mi Band 4. What’s new and what’s not.

The Xiaomi Mi Band 3 was launched on May 31, 2018 in India and it took several months to reach the Indian shores. It was finally launched in India on September 24th, 2018 in India and was available through the Mi stores, and The fitness tracker was a massive hit and Xiaomi claimed that in May 2019 that it had sold over 1 million units since its launch (in...