Andrea Communications NC-255VM USB On-Ear Stereo USB Computer Headset with Noise-Canceling Microphone, in-Line Volume/Mute Controls, and Plug
Andrea Communications NC-181M On-Ear Monaural Mobile Headset with Noise-Canceling Microphone, in-Line Volume/Mute Controls, and Single 4-pin Audio Plug TRRS, 3.5mm