Headsets - Poly (Plantronics) - DECT - Monaural (for one ear) - Headband - JACK 3,5 mm - USB-A - Ear canal gel adapter - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Rotatable in the range of 300° - Rotatable in the range of 360° - Short - Universal compatibility - 100