HP Poly Mission 425 Stereo USB Wired Headset Classic (C01B3AA) - Connectivity: USB Type-A / USB Type-C, Speaker size: 32 mm, Sensitivity (speaker): 116 dB, Microphone Type: AI Noise Cancelling, Ear Cushions: Foam (surface material), Boom Mic Length: 130mm, Boom Mic Rotation: 285°, Button User Controls: Mute/unmute; Volume +/-; Microsoft Teams; Call answer/ignore/end