Style, comfort, and audio qualityThe Blackwire 3310 monaural headset is 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 easilyThe 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 amazingBoost 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.Choice of wearing styleMonaural wearing style for those who prefer to leave one ear open.Flexible microphone boomWith professional voice quality and a customized fit, this fully adjustable headset has 180-degree pivoting speakers and a flexible microphone boom.High-quality audioMakes collaboration easy with Poly signature audio quality and reliability.Long-lasting comfortSupports long-wearing comfort with a plush, padded headband and pillow soft ear cushions.Connectivity optionsEnhanced connectivity for your devices with a USB Type-C cord and tethered USB-A adapter.Microsoft TeamsMicrosoft Teams version to support an easy collaboration and communication with a dedicated Teams button for instant access to the Teams App.