Apple has announced it is re-enabling the blood oxygen monitoring feature on its latest Apple Watch models in the US.

Pebble founder Eric Migicovsky has revealed the final design for the Pebble Time 2*, the premium flagship model in his company's revival of the iconic smartwatch brand.

There can be a learning curve when you first begin tracking with Whoop. Here are 10 things I've learned after three years of full-time wear.