Additional Details ------------------------------ Product description: Built for style with a sleek design that focuses on comfort and reliability. Poly signature audio quality so you know you will sound great. And intuitive and simple features so every user can connect to their preferred device simply and easily.Connect quickly and easilyLess ThanBrGreater ThanThe 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 you've been looking for.Less ThanBrGreater ThanHigh-quality audioMakes collaboration easy with Poly signature audio quality and reliability.Less ThanBrGreater ThanHeadset flexibilityLess ThanBrGreater ThanWith professional voice quality and a customized fit, this fully adjustable headset has 180-degree pivoting speakers and a flexible microphone boom.ConnectivityUSB-A for PC and 3.5 mm for mobile connectivity.Less ThanBrGreater ThanLook good, feel good, sound amazingYou wear a headset all day long - better pick one that looks, feels, and sounds great. 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.Less ThanbRGreater ThanWearing StyleLess ThanBrGreater ThanMonaural wearing style for those who prefer to leave one ear open.Less ThanBrGreater ThanLong-lasting comfortLess ThanBrGreater ThanSupports long-wearing comfort with a plush, padd