Targeting office professionals, D 10 Series comprises D 10 Phone, single-sided wireless DECT headset for direct connection to desk phones; Sennheiser D 10 USB ML, single-sided wireless DECT headset that works on plug-and-play basis with MS Lync®; and Sennheiser D 10 USB, single-sided wireless DECT headset that connects directly to softphone/PC and suits Unified Communications environments. Each features noise-canceling microphone, one touch call management, and ActiveGard® hearing protection.