PYLE PHPNC15 Folding Noise-Canceling Headphones Noise canceling reduces background noise in any environment; Reduces outside ambient noise by 83.4%; Ideal for airplane, train & bus use; Closed-style, dynamic headphones; 40mm driver; Foldable headband folds down to a small size for convenient storage; Noise cancellation can be switched on/off; Freq resp: 20Hz - 20kHz; Imp: 32_; Sensitivity: 110dB 2dB; 1.5m cable; Requires 2 AAA batteries; Black Warranty ONE YEAR BRAND : PYLE
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