Following on from the announcement of the Amazfit Verge 2 back in June, the company has just introduced a new budget sports watch called the Amazfit GTR.

The Amazfit GTR is suitable for a variety of training scenarios and its main unique feature is a battery that can last up to 74 days, according to manufacturer Huami.
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https://www.techradar.com/news/new-amazfit-gtr-smartwatch-can-last-for-over-two-months-on-a-single-charge