Headsets - Poly (Plantronics) - Desk phone - Zigbee - Monaural (for one ear) - Neck clip - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Short - Microphone integrated in the headset - Optimalised for Microsoft Teams - 7 - 10 - 13 - 20000 - 20 - 30