Headphones are a pair of small loudspeakers, or less commonly a single speaker, with a way of holding them close to a user's ears and a means of connecting them to a signal source such as an audio amplifier, radio or CD player. They are also known as stereophones, headsets or, colloquially cans.
(Headphones (band)) Headphones is an American indie rock band with members David Bazan (formerly of Pedro the Lion), Frank Lenz of Starflyer 59, and Nick Peterson (formerly of Fleet Foxes).
earphone: electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"
transmission by radio waves
radio: medium for communication
Lacking or not requiring wires
having no wires; "a wireless security system"
Sound, esp. when recorded, transmitted, or reproduced
the audible part of a transmitted signal; "they always raise the audio for commercials"
an audible acoustic wave frequency
sound recording: a recording of acoustic signals
Sky Gnome Wireless Audio
Now I can take the radio from the satellite set-top box around the house, alternatively I can plug in headphones and pipe TV audio straight into them when I'm in bed.
While it may not win any awards for design, it's rather good for something that was discontinued in 2007.
Hama Bluetooth Headphones
We are using these Hama Bluetooth Headphones to build a wireless speaker that allows you to skip tracks using iTunes.