Additional Details ------------------------------ Bullet point: Universal Stereo USB Headset: Comfortable padded ear cup design with In-line control on cable for easy access to control of audio volume and control microphone mute. Unidirectional noise cancelling Microphone minimizes unwanted noise, Microphone only picks up sound from a specific side or direction of the microphone minimizing ambient noise while speaking or recording. Perfect for K12 classroom, home or office.