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LIGHTWEIGHT, NOISE-CANCELING HEADPHONES; CLOSED LEATHERETTE EAR CUSHIONS; 40MM COBALT MAGNET SPEAKERS; SENSITIVITY: 100 DB +/- 3DB @ 1 KHZ; ADJUSTABLE, COLLAPSIBLE DESIGN; INCLUDES AIRPLANE ADAPTOR & CARRYING CASE; REQUIRES 1 AAA BATTERY FOR UP TO 60 HOURS OF POWER
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