Sennheiser PC 230 Headphone Overview Video

http://www.bigearsheadphones.com.au/sennheiser-pc-230.html

The multimedia headset with cutting-edge stereo sound and added comfort for pristine telephony and an inspirational entertainment experience.
Automatic microphone mute, left/right reversibility and on-ear cup volume control put the PC 230 in a comfort class of its own

http://www.bigearsheadphones.com.au/sennheiser-pc-230.html