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

By Roger Fingas · Engadget · Tuesday, 20 October 2026 at 23:30 (1h ago) · Original article ↗

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.

You're reading a preview. The full article is published by Engadget on their website.

Read the full story on Engadget

Gadgets

Apple now sells iPhone 18 Pro repair parts

After expanding its partnerships with American suppliers for the iPhone 18 Pro and iPhone Duo, Apple has also started selling repair parts and tools for the iPhone 18 Pro and iPhone 18 Pro Max through its Self Service Repair Store, along with parts for the M5 Max and M5 Ultra…

GSMArena 29m ago

Gadgets

Oura Ring can track new stats related to cardio fitness

Oura has updated its smart rings with new cardio fitness-related metrics, including VO2 Max estimates.

Engadget 2h ago

Gadgets

Five things you should know before buying the iPhone Duo

From software limitations to the pre-sale deals, here's what you need to know ahead of the iPhone Duo launch.

Engadget 2h ago

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

More Gadgets & Mobile

Apple now sells iPhone 18 Pro repair parts

Oura Ring can track new stats related to cardio fitness

Five things you should know before buying the iPhone Duo