Q:Electronics ANC 778 Noise Canceling Headphones

Reduce and even eliminate up to 80% of the noise from airplanes, train rides, or noise at home or abroad. Q:Electronics acoustic noise canceling headphones employ Active Noise Canceling technology so you can actively reduce and even block ambient/outside noise. What makes these headphones better than others? * Soft, high quality cushioning makes for a pleasant listening experience. * Active Noise Canceling requires power to run and batteries. * You can enjoy better and louder sound because the Q:Electronics headphones have volume control built into the cable. Adjust the volume to your liking, sit back and enjoy your music. If you just want to reduce the noise around you, remove the cable from the headphones and turn on the noise canceling feature. Listen to the noise around you dissipate and even disappear as you relax with your favorite music. * Specifications: Frequency Response: 20 ~ 20,000HZ, Driver Unit: 40mm special mylar, Impedance: 50Ω ± 15%, Max Power Output: 120mW, Active Noise Frequency: 70~1.1KHz, Auto Direction: 0.05%~1%, Current Consumption: 10~18mA, Power: AAA x 2 batteries, Battery Life: Approx. 60hours, Weight: 185g, dual-plug adapter, 0.25-inch stereo plug adapter, carrying case, volume control with 1.3 cable * Up to 20dB of noise cancellation; effectively reduces aircraft engine or subway noise * Reduce ambient noise by 70 - 80% * Premium case with airplane adapter and .25-inch stereo adapter * In-line volume control with Mono to Stereo switch * Large padded ear cups and adjustable headband * Light-weight 185g * 2 x AAA Batteries Use on/in… * airplanes * trains * subway * offices/rooms with loud AC units Best used with… * in-seat entertainment (on airplanes) * laptop * iPod * mp3 player * portable DVD * radio * smartphone (like BlackBerry, etc.) * and other audio devices