Audio-Technica's ATH-ANC23 QuietPoint™ Active Noise-Cancelling In-Ear Headphones reduce distracting background noise by up to 90% while offering the superior sound that makes Audio-Technica a world-leading pro audio company.

Engineered to create a comfortable listening environment in areas with high ambient noise, these in-ear headphones feature a miniature microphone in each earpiece that picks up ambient noise (such as traffic, air-handling systems, etc.). Electronics in the control box create a noise-cancelling wave that is 180° out of phase with the ambient noise. This wave acts like a noise eraser: it cancels out the annoying sounds that surround you without diminishing the audio you want to hear. The result…a peaceful enclave to enjoy the music or movies of your choice.

• Ultra-compact in-ear design is ideal for travel
• Advanced electronics cancel up to 90% of background noise
• Innovative ANC circuitry delivers an exceptionally pure audio signal in noise-cancelling mode
• Ideal for use with all audio sources, including MP3 & other portable players
• Soft interchangeable ear pieces (small, medium & large) provide a custom fit
• Included Comply™ Foam Tips comfortably seal the ear canal for outstanding noise isolation and retention
• Audio functions (in passive mode) even without battery
• Sleek control box offers on/off switch, volume control and clothing clip 
• Soft protective pouch for headphones & accessories
• A single AAA battery powers noise-cancelling electronics
• Gold-plated mini-plug provides exceptional corrosion resistance, superb conductivity and low noise