Andrea Communications EDU-255 USB offers unsurpassed speech and sound clarity. The exclusive noise-cancelling microphone with internal windscreens, which minimise voice popping, has been awarded the coveted "6 Dragon" rating for speech accuracy by Nuance. The heavy duty rigid boom and swivel allow for perfect microphone placement. Plush leatherette ear cushions are easy to wipe clean and the adjustable headband ensures a comfortable fit even on smaller heads.