STAY CONNECTED: Connect to your PC/Mac with USB-C or via USB-A with included USB-C to USB-A adapter. ENHANCED AUDIO: Poly signature audio quality and reliability. HEADSET FLEXIBILITY: With professional voice quality and a customized fit, this fully adjustable headset has 180-degree pivoting speakers and a flexible microphone boom. SECURE FIT: Padded headband and pillow soft ear cushion for long-wearing comfort. Keep one ear open with the monaural wearing style. COLLABORATION READY: Microsoft Teams version to support easy collaboration and communication with a dedicated Teams button for instant access to the Teams App.