What to expect from Google's big tech event

Googlewill most likelyunveil its latest slate of gadgets on Tuesday, and already there are rumblings of what to expect from the tech giant.

The company hasn't said what itsevent in San Franciscowill entail, but fall iswhen tech companies usually start peddling their new wares, and Google is no exception.Last year, Googleunveiled itsNexus 6P and 5X smartphones on Sept. 29. The year before, it announced itsNexus 6 smartphone and Nexus 9 tablet on Oct.15.

New phones are likely on the table again, as well as devices that make useof 4K, virtual reality, and voice recognition technology.

Pixel phones

It hasbeen widely reported that Google will drop its new smartphones on Tuesday, andthanks to some eager beavers in Canada and the U.K., we already have a pretty good idea what they'll look like.

Bell in Canada andCarphone Warehouse in the U.K. both briefly posted pre-order pages for the new Google Pixelphones before the planned announcement, TechCrunch reports.Those listings have since been removed, but not before tech blogs swooped in and soaked up all the details.

Pixel will be made by HTC andis expected to replace the Nexus as the company's flagship phone.It will come in two sizes: Afive-inch display for the regular versionand 5.5 for the XL, and is expected to sell for$649 US, according to Android Police.

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"Other specs include a Snapdragon 821 chip, 4GB of RAM, 1080p and 1440 x 2560 displays depending on the size, 32GB or 128GB of internal storage," TechCrunchreports.

There's good news foranyone who was grumpy about Apple's move to wireless earphones Pixel is expected to have a traditional headphone jack.

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4KChromecast

Speaking of pixels, Android Police reports the next iteration of Google's popular streaming deviceChromecastwill be 4K compatible.

• Everything you need to know about 4K TV

The Chromecast is a tiny little donglethat plugs into your TV and lets you stream media directly from your phone, tablet or computer, offering a cheap and compact alternative to videogame consoles ordedicated streamers like RokuandApple TV.

Until now, Chromecasthasbeen limited to1080p, but insiders say the new version to be unveiled Tuesdaywill stream in3,840 x 2,160 resolution, better known as 4K.

It's rumoured to be called theChromecastUltraand, according to Android police, will retail at astarting point of $69 US.

Google Home

Google Home is the company's answer to Amazon's popular Echo avoice-activated personalassistant for the home, accessed through a Wi-Fi connected speaker.

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The idea is to turn your abode into a smart-home of sorts with aninternet-connected speaker that listens for your voice commands to do things likeplay music or control lights and thermostats.

Googlefirst announced Home at a developer conference inMay, but did not set a release date, so it's possible we'll get our first look at it Tuesday.

Android Policeestimates a price point of$129 US, which falls below Echo's $179.

Both Home and Echo have prompted privacy concerns about having tech in your home that's always listening and gathering data.

Daydream VR

At the same conferenceit unveiled Home, Google also announced it was working on a virtual reality platform called Daydream.

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The device, a VR headset with asmall remote,is scheduled for release in fall of 2016, so it'spossible it will launch at Tuesday's events.

Google has already announced a number of games and apps for Daydream and, according to Bloomberg, has been busyrecruiting creators to make exclusive content for the platform.