[TYPE] Dynamic
[DRIVER UNIT] 40 mm dynamic ? Dome type
[FREQUENCY RESPONSE] 4?40,000Hz (analog), 4?100,000Hz (digital)
[IMPEDANCE] 40ohms
[CORD LENGTH] 1.2 m
[What's In The Box] Carring Pouch,Headphone cable (1.2 m),Exclusive Lightning cable (1.2 m),Digital cable for Walkman (1.2 m),Digital cable for Xperia (1.2 m),USB Cable,Warranty Card,Quick Start Guide,Reference Guide,Operating Instructions,