Dell USB Speakerphone SP3022 MicrophoneDescriptionSpecificationsShipping Command sound Your voice remains clear in meetings, with AI Noise Cancellation filtering out all background noise in your environment. Great audio quality True Stereo Output, with left and right speakers and wide band audio frequency range, gives you distortion free, rich audio, when whether you're hard at work or listening to music. Real time collaboration Full Duplex Audio allows multiple participants to speak