Tuesday highlights from the 2013 Consumer Electronics Show

6:21 AM, Jan 9, 2013   |    comments
Visitors check Sony's new portable gaming console PSVITA during the 2013 International CES at the Las Vegas Convention Center on January 8, 2013 in Las Vegas, Nevada. CES, the world's largest annual consumer technology trade show, runs from January 8-11 and is expected to feature 3,100 exhibitors showing off their latest products and services to about 150,000 attendees. (Photo: Joe Klamar/AFP/Getty Images)
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Between the flashing lights of Las Vegas slot machines and vibrant high-definition displays, sensory overload begins to take over the International Consumer Electronics Show, which officially opens its door.

USA Today correspondents patrolled Sin City in search of the shiniest, priciest and coolest devices. Here's what they discovered:

Get to know 4K

During the CES keynote, electronics giant Panasonic follows in Sony footsteps by unveiling the second 4K OLED TV set at the show. No details on when consumers will get their hands on what will likely be a very expensive TV set.

So, what exactly is 4K? It stands for the 4,000 pixels of horizontal resolution on an HD display. That's 4 times the resolution of current HDTVs. The result is a product that is far sharper than what's currently available. But the higher resolution means a higher price. As we reported last year, initial 4K sets were selling for as much as $31,000. They make Samsung's Ultra HDTVs seem like a bargain.

But Panasonic wasn't done with the 4K revelations. It also unveiled a 4K tablet with a 20-inch screen running on the Windows 8 operating system.

Fitbit slims down

A new version of the activity tracker Fitbit is a comfortable wristband that tracks steps during the day, and even tracks your sleep.

As Jefferson Graham reports, the device sells for $99.99, and wirelessly syncs with Apple iOS and Google Android mobile devices through the Fitbit app.

The tracker launches this April.

New accessories for Wii U

Owners of the Nintendo Wii U video game console should finally have a solution to the fast-draining battery on the GamePad tablet controller.

Accessory maker Nyko revealed its line of supplements for the Wii U, including a PowerPak the company says triples the battery capacity of the GamePad. It launches this February.

Also available next month: a Pro Commander controller resembling Xbox 360 controllers and Charge Station that charges a Gamepad and two Wii remotes simultaneously.

Martian watch out of this world

Hands down, today's coolest device is the Martian wristwatch that responds to voice commands. As Jefferson Graham notes, Bluetooth technology allows users to answer phone calls and receive alerts on who's calling. The watch also reads back text messages.

The wristwatch works for both Apple iOS and Google Android devices. It was inspired partly by Apple personal assistant Siri.

"We realized it would be a cool idea to integrate that onto a voice command watch, as well, so it's an extension of the smartphone," says creator Jeffrey Hsieh. No word on the timing of the wristwatch's releases.

Lenovo's tabletop PC

Lenovo's IdeaCentre Horizon, the desktop PC that doubles as a massive tablet, has captured plenty of buzz at CES. But how does a tablet with a 27-inch screen operate? USA TODAY's Ed Baig breaks it down.

USA Today

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