The Pixel Watch 4 just got some huge upgrades and it's now even cheaper to pick up

Google is rolling out a free upgrade to the Pixel Watch 3, 4, and 5 models, adding valuable health and fitness features. The update introduces blood pressure and insulin resistance trends, with monthly reports, as well as sleep breathing quality metrics. Although these features aren't instant clinical readings, they provide longer-term patterns and assessments once a month.

The Pixel Watch 5 has been trained on over a trillion data points from more than 5 million users for the insulin resistance trend model, while the blood pressure model was built using billions of minutes of heart and movement data. Additionally, the Pixel Watch 4 and 5 models will receive Breathing Emergency Detection in select European markets, such as France, Germany, Ireland, and the UK, which can detect dangerous drops in oxygen saturation and even call emergency services.

Lastly, Pixel Watch 4 and 5 models will also get blood pressure and insulin resistance trends, available later this year for Fitbit Air users, but only with a Google Health Premium subscription.