View 2 of Brookstone SILENTNX DYNAMIC NOISE-CANCELLING HEADPHONES Foldable & Wireless. BASS BOOSTED DRIVERS - Immersive, superior sound, powered by 40 mm drivers brings every beat to life ACTIVE NOISE CANCELLATION - built-in noise-cancelling technology. Ergonomic E

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View 1 of Brookstone SILENTNX DYNAMIC NOISE-CANCELLING HEADPHONES Foldable & Wireless. BASS BOOSTED DRIVERS - Immersive, superior sound, powered by 40 mm drivers brings every beat to life ACTIVE NOISE CANCELLATION - built-in noise-cancelling technology. Ergonomic EView 2 of Brookstone SILENTNX DYNAMIC NOISE-CANCELLING HEADPHONES Foldable & Wireless. BASS BOOSTED DRIVERS - Immersive, superior sound, powered by 40 mm drivers brings every beat to life ACTIVE NOISE CANCELLATION - built-in noise-cancelling technology. Ergonomic E