Cyber Acoustics Stereo Headset, headphone with microphone, great for K12 School Classroom and Education (AC-204) Stereo headset with unidirectional noise-cancelling microphone Uses a single 3.5mm plug connection and includes a dual 3.5mm Y-adapter Easy to clean leatherette ear pads Extra durable design and cable provide long lifespan for student and computer lab use Also good for business,enterprise, or personal use