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(Pocket-lint) - Google could be about to launch its next set of true wireless headphones in the form of the Pixel Buds Pro.

Thanks to details coming from a couple of leakers, we could see the expansion of Google's audio offering soon - perhaps as soon as Google I/O.

The details about the headphones themselves are scarce, but Jon Prosser who has provided accurate information in the past, claims they are coming soon and even provides the colours - Real Red, Carbon, Limoncello, Fog.

Nothing else is revealed, but Mishaal Rahman picks up the rumour with a little more speculation, referring to supporting code that's been found in Android 13.

Rahman regularly shares information on much of what's happening inside a new version of Android and while the findings in pre-release software don't always make it to market, they do help to build a picture of Google's future plans.

In this case there's a reference to head tracking support in Android 13, suggesting that Google could launch and Apple-rivalling spatial audio feature. It makes perfect sense as Apple currently dominates that end of the market with the AirPods and other devices in its ecosystem.

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Google's last headphone launch was the Pixel Buds A-Series in June 2021 and in the background Google has been buying up audio patents and talent - it grabbed patents from Synaptics along with some staff, it acquired a 3D audio startup called Dysonics and it snaffled the IP of RevX.

It all paints a picture of Google wanting to make a bigger impact in audio through its various devices and platforms. The Pixel Buds Pro might reveal some of these plans - but at the moment, we're still in the realms of rumour, so take everything with a pinch of salt.

Writing by Chris Hall.