Better Customer Connection Give you the freedom to make hands-free calls; works on all operating systems and platforms via a 3.5mm jack with convenient in-line volume controls. Designed for customer service & support, call centers, etc. Ensures people on both ends of the call can hear each other clearly without distraction. Crystal Clear Sound High quality and crisp sound for clear voice and video calls, music and more. An essential headset forpersonal use or at the office. One Size Fits All The headset with adjustable headband and soft foam ear cushions is extremely flexible giving you hours of comfort. Flexible and Rotation The microphone can be positioned for better voicecapture. Convenient Controls In-line volume controls on the headset cable allow you to adjust quickly the headset volume