Essential Specs Battery Existence: Up to 7 times ?????? ???? ???? ?????? ? ???. ????? ???????????? ????? ????????, ? ?????? ??????????? ????? ?????? ????????. ??? ?????? Also examine: Garmin vs Whoop – that is best? The best fitness tracker for hardcore health and fitness center-goers and trainers, the Whoop 4.0 https://sleek.fitness/about/