IMPACT 5000 Go - A portable DECT solution you can easily take anywhere. - With an extensive wireless range, up to 135 m/442 ft., you can answer calls even when away from your workspace. - A plug-and-play solution that utilizes a single USB port for calls and charging. - DECT technology ensures clear communication in busy offices without interference. - A noise-cancelling microphone and voice detection technology ensure the speaker?s voice is transmitted naturally and clearly.