The Kensington USB Hi-Fi Headphones with Microphone is a durable headset that provides high-quality stereo sound, a microphone designed to support voice clarity, and best-in-class comfort features.Supporting common core learning standards, the headphones provide a max output of 94db for safe listening and the mic supports the latest audio-based classroom testing requirements.The Hi-Fi USB Headphones with Microphone is suitable for students, call centers, business professionals, and recreational gamers. Compatible with Windows, Mac and Chromebook for a simple plug and play experience.