3198 Results for

accurate

Video

How accurately do fitness trackers monitor sleep?

As the "quantified self" craze continues, fitness trackers have us obsessing over not only how active we are but also how soundly we're sleeping. How do the devices stack up against clinical sleep studies though? CNET's Sumi Das visits the Stanford Sleep Center for an expert's opinion.

By July 23, 2014

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LifeTrak Zone C410: Accurate tracking for an affordable price

A waterproof design, one-year of battery life, and an affordable price. Is this the activity tracker to beat?

By July 1, 2014

Article

The British are coming: Wharfedale Jade 3 speakers

Can't fit tower speakers in your abode? The Wharfedale Jade 3 monitor speaker will blow your socks off!

By October 18, 2014

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Are heart rate monitors on fitness trackers accurate?

Several fitness trackers, as well as the Samsung Galaxy S5, now boast the ability to measure your heart rate. How do their readings stack up to an EKG? CNET's Sharon Profis, with help from Kaiser Permanente cardiologist Dr. Jon Zaroff, puts the Garmin VivoFit, Withings Pulse O2, Basis Carbon Steel, Samsung Gear Fit, and Samsung Galaxy S5 to the test.

By May 22, 2014

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Breathometer breathalyzer a fun party game, but not the most accurate

An accessory for iPhones, the Breathometer is very portable and can be fun to pass around at parties, but its results should not be taken as permission to drive.

By March 3, 2014

Article

Apple's sales growth slips in China; iPhone 6 delay partly to blame

Revenue growth dipped last quarter from a year ago partly because the Chinese government delayed approving the iPhone 6, but Apple inventory decisions played a role as well.

By October 21, 2014

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The world's most accurate clock will keep time for 5 billion years

An experimental clock has set the records for both accuracy and stability, being able to keep time for longer than the Earth has been in existence.

By January 22, 2014

Article

Flu predictions get more accurate

Google's annual Flu Trends metric was wildly off last year. But scientists were able to leverage the company's data to design a far more successful system.

By December 3, 2013

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Samsung Galaxy Note 4 camera shootout versus iPhone 6 Plus, LG G3

The battle of the phablet phones begins with a test of their built-in cameras that come equipped with optical image stabilization. Which phone takes the best shot?

By October 16, 2014

Article

South Korea aims more accurate GPS at navigation systems

The advanced GPS, also called differential GPS, has a margin of error of just 3.2 feet. That's a big improvement over conventional GPS which is accurate up to 121 feet.

By September 10, 2013