EPOS I SENNHEISER IMPACT SC 660 ANC USB - Headset - on-ear - wired - active noise cancelling - USB - black

EPOS I SENNHEISER IMPACT SC 660 ANC USB - Headset - on-ear - wired - active noise cancelling - USB - black

Sennheiser 504547 SC 60 USB ML SC 30/60 UC Deployment Headset Range (Binaural UC headset with Call Control for Lync) - (Headsets Microphones > Headphones & Headsets)

EPOS I SENNHEISER IMPACT SC 60 USB ML - Headset - on-ear - wired - USB - black with orange colour highlights