Overview
The Earphones with Remote and Mic take the acclaimed Earphones and add a control capsule, located on the cable of the right earpiece, that includes a microphone and three buttons.

Heres what you can do with this convenient remote:
Adjust the volume by pressing the + and - buttons.
Control music and video playback _ including play/pause and next/previous _ by pressing the center button.
Record voice memos on supported devices.
Answer and end calls.
Whats in the Box 
The MB770 Earphones with Remote and Mic
*Compatibility Information
The remote and mic are supported only by i nano (4th and 5th generation), i classic (120GB/160GB),  touch (2ND generation), and  3GS. The remote is supported by  shuffle (3rd generation). Audio is supported by all models.
Requires software version 1.0.3 for iPod nano (4th generation), 2.0.1 for  classic (120GB), and 2.2 or later for touch (2ND generation).