Apple Watch Ultra two shouldn't be used for diving under forty meters. Drinking water resistance is just not a lasting situation and can diminish over time. For added information see guidance.apple.com/HT205000. *The All-day blood oxygen monitoring method needs to become manually enabled. Monitoring is set to once each ten minutes. https://mariokoiwh.blogolenta.com/27983963/the-single-best-strategy-to-use-for-smartwatch-dla-dzieci