Logitech USB Headset Stereo H650e Enterprise-Grade Corded Double-Ear Stereo Headset With Wideband Audio, Digital Signal Processing (Dsp) And Noise-Cancelling Boom Mic For Crystal-Clear Conversations Useful Accessories Broad Uc Compatibility: Optimized For Microsoft Lync; Cisco Compatible; Compatible With Most Leading Uc Platforms Which Ensures Enterprise-Quality Audio And An Integrated Experience Enterprise-grade corded double-ear stereo headset with Wideband Audio, Digital Signal Processing (DSP) and noise-cancelling boom mic for crystal-clear conversations In-call LED indicator and call answer/end button work seamlessly with Microsoft Lync and Cisco Jabber 9.6 and above; free software plug-in required to enable these functions in Skype and Cisco Jabber 9.2 can be dowloaded from support pages on Logitech.com. Volume control and microphone mute will work with most any audio applications Broad UC compatibility: Optimized for Microsoft Lync; Cisco compatible; compatible with most leading UC platforms which ensures enterprise-quality audio and an integrated experience This business product ships in brown box with no retail packaging