I don't have a smart watch, so I assumed it connects to your phone via Bluetooth... | Hacker News

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		dkarp on March 16, 2019 \| parent \| context \| favorite \| on: Apple Watch detects irregular heart beat in large ... I don't have a smart watch, so I assumed it connects to your phone via Bluetooth. Is that not the case? Otherwise how can you leave the house without your phone also?

rootusrootus on March 17, 2019 | [–]

Several watches, including Apple Watch, have a version with built-in LTE. I use it all the time and leave my phone at home. Kinda liberating, actually.

mr_toad on March 17, 2019 | [–]

The series 3 have cellular modems and virtual SIMs.

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