HP Poly Mission 825 Stereo USB Wired Headset (C01FCAA) - Connectivity: USB Type-A / USB Type-C, Speaker size: 32 mm, Sensitivity (speaker): 114.5dB (1 W/1 m) +/- 2dB, Microphone Type: Four-Microphone AI Noise Reduction, Ear Cushions: PU leather (surface material); Memory foam (padding material), Boom Mic Length: 130mm, Boom Mic Rotation: 285°, Button User Controls: Mute/unmute; Volume +/-; Microsoft Teams; Call answer/ignore/end