“Using the same radio frequency as fancy wireless headphones, this device comes in two parts.”

“Another release had a curious note advising the recommending of headphones when listening.”

“We have agreed that he should buy a pair of headphones as soon as possible.”

“Nanotechnology had made them nothing more than a single in-ear headphone with a directional microphone.”

“It resembles a small one-sided headphone with a small boom microphone, and comes in a bluish-grey and silver metallic colour.”

“Both sets ship with a remote control unit with auxiliary sound inputs and a headphone socket.”