If you like the simplicity and reliability of corded headsets, youll love the Poly Blackwire 3225. With a sleek design and flexible microphone boom for a customizable fit, this UC headset will keep you comfortable and productive throughout the day. Connect to a computer with USB-C or via USB-A with included USB-C to USB-A adapter, or to phone/tablet via 3.5mm connector and with our Poly signature audio, your workday is a breeze.