Audio-Technica ATH-ANC33iS QuietPoint Active Noise-Cancelling In-Ear Headphones with In-Line Microphone & Control Reduce distracting background noise by up to 90% while still offering superior sound quality Engineered to create a comfortable listening environment in areas with high ambient noise Innovative ANC circuitry delivers an exceptionally pure audio signal in noise-cancelling mode Ultra-compact in-ear design ideal for travel and soft interchangeable ear pieces (small, medium & large) providing a custom fit Included Comply Foam Tips comfortably seal the ear canal for outstanding noise isolation and retention Inline microphone and controller for answering calls and controlling music Microphone has an omnidirectional pickup pattern and it is designed for crisp intelligibility