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.