This ATH-ANC23 QuietPoint active noise-canceling in-ear headphones reduce distracting background noise 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. Electronics in the control box create a noise-canceling wave. This wave acts like a noise eraser, and it cancels out the annoying sounds that surround you without diminishing the audio you want to hear. The result is a peaceful enclave to enjoy the music or movies of your choice. Product Type: Earphones - 3.5 mm jack Recommended Use: Portable electronics Headphones Form Factor: In-ear Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 105 dB Impedance: 32 Ohm Active Noise Canceling: Yes Controls: Volume, on/off Product Type: Earphones - 3.5 mm jack Weight: 0.92 oz Recommended Use: Portable electronics Headphones Form Factor: In-ear Active Noise Canceling: Yes Frequency Response: 20 - 20000 Hz Sensitivity: 105 dB Impedance: 32 Ohm Diaphragm: 0.5 in Headphones Ear Pads: Included Controls: Volume, on/off Connector Type: Headphones ( mini-phone stereo 3.5 mm ) Plated Connector: Gold Cables Included: Headphones cable Airplane connection adapter - 4.3 ft Included Accessories: Carrying pouch, 2 ear tips (large), 2 ear tips (medium), 2 ear tips (small), headphones earpads Battery: 1 x headphone battery - AAA type alkaline Included Qty: 1 Run Time (Up To): 60 hour(s)