Altec Lansing PC interactive headsets offer superb sound and rugged reliability. Whether you use them for PC interactive gaming, Internet voice chats, or speech recognition, these comfortable headsets provide crystal-clear sound. You can even use them with your telephone (adapter required). With stereo and mono options, Altec Lansing Technologies offers the right headset for your needs. Best of all, they're comfortable and lightweight enough to wear every day.PRODUCT FEATURES:Quality 36mm neodymium drivers delivering a full, rich sound;Foldable, behind-the-head design fitting comfortably and packing easily;Noise-rejecting microphone helping minimize background noise;Handy in-line volume control regulating audio level;Microphone volume controller (High-Low-Mute) maximizing communication control.