Best Noise cancelling Monaural Plug N Play USB Headset for MS Lync, Skype, 3CX, Bria X-Lite. Compatible with Plantronics quick disconnect. DON'T COMPARE this Professional Computer Headset with General USB Headsets. Compete with High-Grade Headsets for Call Center, Telemarketing, Customer Representative. Multi Year Warranty, 20 Year Proven Quality in The World. WORKS with MS Lync (Skype for Business), Cisco Jabber, Avaya One-X Agent, 3CX, Bria X-Lite, Skype (at Home) and most softphones. MICROSOFT Certified Hardware USB adapter has a Built in-line control board (Mute, Receiving volume adjustment and ON/OFF call control key). QUICK DISCONNECT HEADSET (Cord length 3ft) + USB Adapter (Stretched lenght is over 9 ft, In-line control). QUICK DISCONNECT is an Essential feature for Professional headset for Business. It allows you to walk away without remove the headset from your head. NOISE CANCELLING MICROPHONE with Static shock protection reduce background Noise by up to 75% (No headset can be 100%). Flexible rubber Microphone Boom metal spring for optimal position from the mouse. Light weight adjustable Plastic coating Monaural headband in Chrome plating elegant design