Headsets - Poly (Plantronics) - PC - DECT - Monaural (for one ear) - USB-A - Ear canal gel adapter - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Short - Optimalised for Microsoft Teams - 7 - 8 - 12 - 20 - 180 - 20000 - 20