Headsets - Poly (Plantronics) - DECT - Monaural (for one ear) - JACK 3,5 mm - USB-A - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Rotatable in the range of 300° - Rotatable in the range of 360° - Universal compatibility - 7 - 100 - 6800 - 150