- Revolutionary Active Noise Reduction (ANR) headphone system reduces harmful and annoying low frequency sounds in noisy environments
- Closed leatherette ear cushion for added passive noise reduction
- Cord unplugs to enjoy passive and active noise cancellation wirelessly
- Straight single-entry 4 foot cord with in-line volume control
- Fold flat for portability; carrying case included
- Covered under the Koss Stereophones Limited Lifetime Warranty |
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