DESC: GN 2025NCNB Cord Flex Over-Head Standard Telephone HeadsetDuraFlexII flexible boom molds into the exact position you need. Noise canceling microphone filters out ambient noise for spectacular sound clarity. Full-size foam ear cushions help you stay comfortable and focused. Rugged boom turret provides durability and reliability. PeakStop technology protects against sudden, loud sound spikes. Amplifier (GNNGN8000MPA/GNNGN8210), sold separately, is required for operation. Global Product Type: Headsets-Binaural; Headset Type: Binaural; Headset Style: Over The Head; Earpiece Type: Full-Size Ear Cushions.JBR 2009820105, JBR-2009820105, JBR,2009820105