headset

A pair of headphones or earphones, or a singular headphone or earphone, typically with an attached microphone.

Any electronic device worn on the head.

If you've just acquired a Google Glass headset for £1,000, don't show it off at the movies. UK cinemas are to ban the headsets over fears that the gadgets can be used to make pirate copies of Hollywood blockbusters.

On a bicycle, the system of bearings that connects the fork to the frame.

A mindset.

One member has this whole collection of 50s rockabilly by women. Like the blues, the lyrics reflect the headset of the time, so of course it's not all "non-sexist." But it's a great record, really connected to the roots of rock 'n roll.