Noise Canceling Headphone

Model # MDR-NC22  |   change model...
This model is also known as:
MDRNC22, MDRNC22/BLK, MDRNC22/PIN, MDRNC22/PNK, MDRNC22/WHI, MDRNC22BLK, MDRNC22PIN, MDRNC22PNK, MDRNC22WHI,

Serial Number Location: No Serial number on headphones.