**NM signifies a non meaningful value. A dash signifies the data is not available.

A laptop, TV or any other device with the 3.5mm jack onboard will do. If you can’t hear any audio when using your headphones with a different device, you’ve found the source of the problem.

Here’s how it works. "This is the best day of my life!" Watch Kelly Clarkson cover Foo Fighters, then help Jack Black make a dream come true in the most joyous and pure TV segment of the week "I ...