Sony USA AUTHORIZED - Full USA WARRANTY Swiveling Earcups & Closed Design Coiled cable allows for better mobility 40mm diameter drivers delivers DEEPER sound and WIDER dynamic range BUNDLE INCLUDES: Sony MDR-7506 Headphones
Hard Headphone Case (Black) The MDR-7506 is a large diaphragm foldable headphone designed for professional studio and live/broadcast applications.
Feature:

Rugged Design: Proven to be reliable in the toughest situations

Folding Construction: Compactness in storage

40mm Driver Unit: For clear, high quality sound reproduction

Closed-Ear Design: Comfort and reduction of external noise interference

Stereo Unimatch Plug: 1/4 inch and 1/8 inch applications

Gold Connectors and OFC Cord: Reliable and stable signal connection and transmission

Supplied Soft Case: Protective storage