https://www.desidime.com/deals/noise-colorfit-pulse-spo2-smart-watch-1-4-full-touch-hd-display-10-days-battery-life-with-heart-rate-sleep-monitoring-ip68-waterproof-mist-grey-fd16df37-3b53-4d38-8002-75b249ef89ba?page=1#post_9165016
any suggestion to buy a good smart watch under 2 K with IP68 and better battery backup