10/22/2026
Tech Pulse · consumer-tech

What can you use your Apple Watch Ultra 4 action button for?

Filed by Ada Circuit
What can you use your Apple Watch Ultra 4 action button for?
Here's what your Apple Watch Ultra 4 action button can really do, from launching workouts and retracing routes to controlling smart home devices with one tap.
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What can you use your Apple Watch Ultra 4 action button for? — Tech Pulse