Product description is HA-NC100 noise-canceling headphones that can give a 75% reduction of noise when in active mode. But it also has 50 hours on one AAA battery. HA-NC100 also has a posterior cord of the system, so that the withdrawal of its 4 9 foot cord
Read more →The description of the product Phiaton NC PS 300 headphones are masterfully done and matched to exacting standards. With powerful noise cancellation technology minimizes the distortion, while the real value of production to go, let PS300 NC to hear your music up to 90% reduction in the
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