JVC HAS600A Around-The-Ear Foldable Headphone - Blue (Discontinued by Manufacturer) Deep bass and high-clarity sound reproduction with carbon diaphragm and bass-boost port High-quality sound reproduction with 1.57"(40mm) Neodymium driver unit Foldable design for ease of portability Excellent sound isolation achieved with soft memory foam ear pads. Connectivity Technology: Wired Foldable for easy carry Carbon diaphragm for deep bass 40mm High Performance Driver Unit Soft Memory Foam ear pads iPhone/iPod compatible slim plug