This Earphone

Buy.com has the Maxell HP-NCII Full-Size Noise Canceling Headphones for $30 with free shipping. Eliminates up to 95% of background noise, lightweight, adjustable and collapsible.

Product description from Buy.com:

Microphones in the headphones detect ambient noise that is interfering with your music. Information from the microphone is fed to the audio enhancer pack where it is analyzed and a precise active noise cancellation wave is generated. When this “anti-noise!
” wave meets the unwanted noise, the noise is reduced up to 95% so your music comes through loud and clear.

Manufacturer: MaxellMfg Part#: 190400Buy.com Sales Rank: 1043

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