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.

Applicable to most airline dual socket headphone audio jack. Package includes 5 pack airline headphone dual socket audio jack adapter. You can send some of them to your friends.

The Sennheiser HD 550 open-back headphones are pitched as bringing "a compelling new choice to audiophiles and gamers seeking ...