Headsets - Poly (Plantronics) - Wireless headset - Desk phone - Zigbee - Monaural (for one ear) - Ear clip - USB-A - Directional microphone (Noise Canceling) - Rotatable in the range of 270° - Rotatable in the range of 360° - Optimalised for Microsoft Teams - 24 - 180 - 180 - 20 - 24