Ideal for online chat, speech recognition, multiplayer games, and music, this new headset offers top-of-the-range stereo sound with maximum bass in a lightweight, comfortable design. Equipped with a noise-cancelling microphone, inline volume and mute controls, and soft ear cushions, the Plantronics .Audio 90 PC headset offers rich, full-range stereo sound. The QuickAdjust telescoping microphone lets you place it perfectly, and its stowable boom is correctly adjusted every time. Lightweight, comfortable, and flexible with soft, swivel-mounted ear cushions for all-day comfort. Durable construction. Compatible with most popular PC sound cards. For sound quality that's right on the dot. Contact your MAC supplier for information on headset compatibility.