• 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
• 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 downloaded from support pages on Logitech.com. Volume control and microphone mute will work with most any audio applications

Other features

• YES, I?M ON A CALL: Located on the backside of the boom, an LED indicator provides a visual alert to those behind you that you are on a call, preventing accidental disturbances during calls.
• NOISE & ECHO CANCELLATION: With acoustic echo cancellation and a noise-cancelling microphone, H650e is optimized so you can hear and be heard, even in noisy workspaces.
• NO-LOOK CONTROLS: Control the call with answer/end,1 volume up/down and mute buttons. The volume-up button is strategically built higher than the others, providing a point of reference for your fingers and allowing you to control the call without looking away from your work.
• NO-TANGLE CABLE: A flat and flexible cable resists tangles so you never get tied up on a call.
• HEAR SAFELY: Logitech Sound Protection protects against sounds above 115 dBA to deliver exceptional listening comfort for voice and music; compliant with EN60950-1.
• OPTIMIZED FOR VOICE AND MUSIC: A dynamic equalizer automatically switches between voice and music modes, delivering the best sound quality for what the user is listening to.