Description The Plantronics SR1 Monaural Speech Recognition system provides ultimate comfort and superior speech recognition performance. The high-sensitivity microphone minimizes distortion and cancels background noise. The unique QuickAdjust microphone makes it easy for the user to place the microphone in the optimal position for accurate speech recognition. The lightweight, adjustable headband and soft, hypoallergenic ear cushion provides ultimate comfort. The microphone boom swivels for left or right side wear. The SR1 is stress-engineered for durability. The stylish new design features revolutionary elastomer materials and cool color accents. The SR1 is ideal for home and office communications, including speech recognition, Internet telephony, and conferencing.