The Blackwire 3300 Series is completely plug-n-play with USB devices, so users can take calls in the office or on the go. Its robust design delivers reliability you can count on. This is the hassle-free headset youve been looking for. Boost your on-the-call confidence with professional-quality audio and a customized fit with a headset that can connect to your devices quickly and easily and is ready to go with you wherever you go.