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I'm a wearables editor and here are the 7 Pixel Watch 4 rumors I'm most curious about

I've been keeping my eye on Pixel Watch 4 chatter ahead of Google's Made by Google hardware event in August.

While Google has kept the details of its next hardware release discreet, a few leaks give hints about what to expect with the fourth-generation smartwatch. The SPO2 sensor on the Pixel Watch 4 will monitor blood-oxygen levels and wave the red flag when they've gone too low. Earlier this month, Samsung debuted an Antioxidant Index that is activated by pressing a thumb on the smartwatch's BioActive Sensor.

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