Cyber Acoustics AC-851b USB Stereo Headset with Boom Microphone

AC-840 Internet Communication USB Mono Headset and Boom Microphone

Cyber Acoustics Part# AC-840

Headset/Earsets – TAA Compliant – Headset - Over-the-head - Monaural - 1.18" Driver Size - 20 Hz Minimum Frequency Response - 20 kHz Maximum Frequency Response - Boom - Wired - USB - 7 ft Cable Length - Switzerland - Adjustable ...