The .Audio 310 conveys exceptional voice precision in a monaural design that keeps you tuned to your surroundings. Experience speech-based applications, Internet telephony, and multiplayer gaming in crisp audio clarity. A superior noise-cancelling microphone enhances speech accuracy while the design ensures you keep tuned in to your surroundings. The QuickAdjust telescoping boom ensure full control over speech-based applications, Internet telephony, and multiplayer gaming. The adjustable monaural design fits left- or right-side wear and lets you tune in to your PC while remaining in touch with your surroundings. It's easy to set up and install - just plug it in and start communicating. The Plantronics .Audio 310 is designed specifically to clarify voice command-and-control applications, Internet telephony, multiplayer gaming, and PC audio recording. A noise cancelling microphone delivers superior speech recognition and features the QuickAdjust" telescoping, bendable boom for ideal microphone placement. A lightweight, flexible headband provides plush all day comfort. The adjustable monaural design fits left- or right-side wear and lets users tune in to their PCs while remaining in touch with your surroundings. The .Audio310 is compatible with popular PC sound cards for plug and play ease.