Product Name: PC-230 Headset| Marketing Information: The multimedia headset with cutting-edge stereo sound and added comfort for pristine telephony and an inspirational entertainment experience.| Marketing Information: Automatic microphone mute, left/right reversibility and on-ear cup volume control put the PC 230 in a comfort class of its own.| Product Type: Headset| Connectivity Technology: Wired| Cable Length: 9.84 ft| Sound Mode: Stereo| Impedance: 32 OhmSennheiser