The Earphone represent a revolution in design, comfort and sound delivery. And for the price you'd be hard pressed to find better!
The Apple EarPhone with Remote and Mic also include a built-in remote that lets you adjust the volume, control the playback of music and video, and answer or end calls with a pinch of the cord.
Speaker size: 9mm
Frequency range: 18-20,000 HZ
Cable lenght: 120 cm