Product overview 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 easily 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 you've been looking for. Look good, feel good, sound amazing 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. Key Features High-quality audio Makes collaboration easy with Poly signature audio quality and reliability. Wearing style Hi-fi stereo wearing style for those who want a richer, more immersive experience. Flexible microphone boom With professional voice quality and a customized fit, this fully adjustable headset has 180-degree pivoting speakers and a flexible microphone boom. Long-lasting comfort Supports long-wearing comfort with a plush, padded headband and pillow soft ear cushions. Connectivity options Enhanced connectivity for your devices with a USB Type-C ®  cord and tethered USB-A adapter.