Sennheiser PC 2 CHAT Black Headband Headsets NEW GENUINE in a FACTORY SEALED BOX 615104225220 | eBay
Sennheiser PC 161 Headset
Sennheiser EPOS PC 5 Chat - Headset for Internet Communication, E-Learning and Gaming - Noise Cancelling Microphone, Casual Gaming Lightweight, high Comfort, Minimalistic, Black - Yahoo Shopping
PC 7 USB
Sennheiser EPOS I SENNHEISER IMPACT SC 260 USB MS II Noise Canceling Stereo Phone & Computer Headset (1000579) - Newegg.com