The Poly Blackwire 3310 M USB-A Headset delivers unparalleled audio quality and features. Other features: - PC connection via USB-A - Flexible noise-cancelling microphone - SoundGuard: Sound level limitation to protect against noise peaks above 118 dBA. G616 support limits the volume to 102 dBSPL - Combined call answer/end and dedicated Microsoft Teams Button, volume, mute - USB-C to USB-A adapter included Note: We recommend using Poly Lens software with this product. This enables central management of video devices, headsets, phones and webcams. Other benefits: - Custom device settings - Always the latest firmware - Easy troubleshooting tool - Fast device integration - Dashboard layout with intelligent news feed