DESC: Encore headset users have the option, at the flick of a switch on the headset, to listen to the caller's normal telephone voice or to adjust the sound for a fuller, richer tone. Encore headsets provide a perfect acoustical fit, adjustable headband, and soft ear cushions for optimum comfort, stability, and fit. H91 Encore Monaural headsets, with sound in one ear, are lightweight and are ideal for users who may need to confer with colleagues when making or taking a call. With multiple adjustments possible, the Encore headset will fit just about anyone comfortably.