Epos Impact SDW 5066 is a perfect performance Noise cancelling double-sided headset with DECT dongle with two-microphone noise-cancelling system and own-voice detection technology. Triple connectivity for professionals using multiple devices including PC/softphone, desk phone and mobile Neat, plug-and-play solution, no base station necessary.  Manage calls directly from your headset and switch effortlessly between your devices. Unleash the potential of your talk-centric workforce with a new standard of DECT headsets. Super wideband audio, exceptional stereo performance, and unique noise-cancelling system for clear speech in noisy offices. Flexible headset that pairs easily to all devices with extensive wireless range up to 180 m/590 ft. Impact 5031 headset is Microsoft / Skype for Business Certified variant, for truly seamless communication.