Makes collaboration easy with Poly signature audio quality and reliability. Hi-fi stereo wearing style for those who want a richer, more immersive experience. With professional voice quality and a customized fit, this fully adjustable headset has 180-degree pivoting speakers and a flexible microphone boom. Supports long-wearing comfort with a plush, padded headband and pillow soft ear cushions. Select the right option for your device: USB-A or USB Type-C®️ for PC and 3.5 mm for mobile connectivity with select models. An IT manager's dream, this headset was created for communication and is optimized and certified to work with top virtual meeting providers.