Military headphones, at least the older ones ... A short extension and a jack plug allowed him to use these slightly unusual cans. This isn’t a special hack, but it’s still an interesting ...

The analog socket used to plug in a headset, earphones or headphones. The 2.5 and 3.5mm jacks have been used on cellphones and smartphones, while stereo and home theater equipment generally have a ...

As you may guess from the name, bone-conduction headphones don't plug into the ear canals but employ pads that rest of facial bones to transmit audio signals to the inner ear via vibrations.

This airline adapter converts a dual-prong airline jack to a standard headphone stereo plug (3.5 mm, 1/8 inch). Plug the headphones cord into the adapter and insert it into the airline jacks to ...