Headsets - Poly (Plantronics) - Yealink - No - Wireless headset - DECT - Monaural (for one ear) - Headband - Ear canal gel adapter - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Rotatable in the range of 300° - Short - Optimalised for Microsoft Teams - 7 - 180 - 20