Bose QuietComfort 20i Acoustic Noise Cancelling Headphones Greens DUO Soft has the lowest

DUO Soft has the lowest compression

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Packing list : one piece

Voltage: 110V/60HZ

Bose QuietComfort 20i Acoustic Noise Cancelling Headphones Greens DUO Soft has the lowestBrand: Bose Color: Black Features: Ideal for iPhone, iPod and iPad. Connectivity Technology: Wired Advanced noise reduction rivaling any full sized headphone Aware mode for hearing what's around you while enjoying your music Notable audio performance from exclusive Bose technologies Long lasting comfort plus stability from proprietary Stay Hear+ tips Legal Disclaimer: No refunds. Publisher: Bose Corporation Release Date: 2013 07 30 Details: Shut out