Designed for mobile devices, the Andrea Communications NC-181M Mono Headset offers unparalleled speech and sound clarity with the convenience of in-line volume and mute controls. The exclusive noise-canceling microphone, with a windsock that minimizes breath popping, has been awarded the coveted "6 Dragon" rating for speech accuracy by Nuance. The Pro-flex wire boom allows for perfect microphone placement. The headset, which is reversible for either left or right side usage, includes a comfortable foam ear cushion and an adjustable stainless steel headband. The NC-181M folds flat for easy portability and storage.