BUY IT NOW LISTING, KOSS KC/180 STEREOPHONE HEADPHONES PN 11-6337, TESTED AND WORKING, SEE DETAILS, MADE IN USA BY AND FOR AMERICANS, PUTS OUT GOOD SOUND BUT ONE EAR MUFFS IS A LITTLE GOOFY AS SHOWN IN LAST PHOTO,  COMES WITH ORIGINAL BOX AND DOCUMENTS. PLEASE ASK QUESTIONS AND REVIEW PHOTOS BEFORE PURCHASE, I AM NOT ACCEPTING RETURNS AT THIS TIME.