The Blackwire 3300 Series is completely plug-n-play with USB devices, sousers can take calls in the office or on the go. Its robust designdelivers reliability you can count on. This is the hassle-free headsetyouve been looking for. Boost your on-the-call confidence withprofessional-quality audio and a customized fit with a headset that canconnect to your devices quickly and easily and is ready to go with youwherever you go.