Part of the Poly EncorePro 520V collection Supra-aural design offers lightweight comfort and easy portability Wired connectivity offers unrestricted, reliable communication Built-in USB-A and USB-C connectors provide versatile plug-and-play compatibility Wide frequency range of 20Hz to 10kHz captures deep bass and sharp highs for immersive audio Allows you to answer soft-phone calls from any PC, no matter the type of USB port Works across new and legacy equipment with QD models, or USB models with USB-A and USB-C connectors right on the cable Full backward compatibility ensures seamless use with legacy equipment Remote firmware and cloud updates keep your headset up to dat