Sennheiser HD 350BT - headphones with mic - 508385 - Headphones - CDW.com
Amazon.com: Sennheiser PC 8.2 USB On-Ear Headset With In-Line Volume Control - Secure Fit Headband - No Slippage - Passive Noise-Cancellation Adjustable Microphone - for Internet Telephone Users and E-Learners : Video
Enersound MIC-300SEN Professional Headband Microphone for TP-600 Transmitter and Sennheiser wireless systems - Translation Equipment