One of the most impressive features on the Amazfit GTR 4 is its battery life, which can last up to 14 days. While many smartwatches are designed to track sleep, not all can get even 24 hours of ...
sleep levels, and cycles, has breathing exercises, tracks the female menstrual cycle, allows you to record voice memos, create to-do lists, and much more. Amazfit GTR 4 performance and battery ...