The Logitech Premium USB Headset 350 delivers a premium audio experience. Featuring plush ear pads and a quality headband, the Logitech Premium USB Headset 350 lets you listen to your music games, and conversations in complete comfort for hours on end. The plug-and-play USB connection, soft-touch in-line volume and mute controls deliver convenience and simplicity. The noise-canceling microphone filters out unwanted background noise for improved performance. Move the boom out of the way and immerse yourself in full, rich sound from 40mm neodymium drivers. Noise-canceling microphone filters out unwanted background noise for the highest possible sound quality Plush earpads cushion your ears for hours of continuous enjoyment Headset Frequency Response - 20-20,000 Hz Microphone Frequency Response - 100-16,000 Hz System Requirements - Microsoft Windows 98SE, 2000, ME or XP, Macintosh OS X, USB port