Buy.com has a Kensington Noise Canceling Headphones for $14.99 after $15 rebate with Free Shipping.
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- A built-in microprocessor analyzes background noises and creates an inverse sound wave that cancels the offending sound. Engines, fans, snoring, and other low frequency annoyances virtually disappear, leaving the traveler free to work, sleep, or listen to music in blissful silence.