Our Active Noise Cancellation folding stereo headphones dynamically minimize ambient sound conditions and noise pollution for listeners traveling by plane, auto or bus. Headphones easily fold and store neatly into the self-carrying, drawstring pouch and feature adjustable ergonomic headband, leatherette earpads and high quality audio components to deliver clear crisp sound with audio frequency response from 20Hz to 20kHz. Perfect for use with any CD/MP3/DVD audio player or with airline audio systems (adapter included). Operates on 2 AAA batteries (included). Available in black with gray trim. Price includes one color, one location imprint on headphone. Optional imprint on pouch is available for an additional $.50(G) each plus setup charge of $40.00(G). Blister packed.