� Get the most out of your UC solution. All major UC and soft phone brands are supported

� For long-lasting user comfort, headsets feature CircleFlex� dual-hinge ear cups with acoustic foam ear pads with soft leatherette cover

� Sennheiser ActiveGard� technology protects users against acoustic injury caused by sudden sound burst on the line

� A fully adjustable, bendable boom arm positions the microphone perfectly. The pivotable boom rotates 350 degrees for wearing on either the right or left

� Wideband sound for a natural listening experience while a noise-cancelling microphone filters out ambient noise for optimum speech clarity

SC 230 USB CTRL II and SC 260 USB CTRL II are professional wired single-sided (SC 230 USB CTRL) and double-sided (SC 260 USB CTRL) headsets that connect to a softphone via a USB.