Headsets - Poly (Plantronics) - Mobile phone - Binaural (for both ears) - Headband - RJ9 - Foam cushion - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Rotatable in the range of 300° - Optimalised for Microsoft Teams - 7 - 13 - 180 - 20000 - 20 - 50