Company Description: telephone headset 1. Conformity to individual requirements, monaural or binaural style available, optional black or red covers 2. Multiple optional fittings catering to customer?s special needs 3. Endurance of good audio quality and all-day?s wearing comfort through assorted fittings of ear cushions, lightweight headband, flexible cord design and adjustable microphone boom 4. Intercom connecter options: 4P4C(RJ11) plug, 3.5mm or 2.5mm stereo plug, USB2.0 plug 5. Volume Control Box w |