Product perogram
Connector contacts plating : Gold
Device interface: 3.5 mm (1/8")
Battery type: AAA
Airplane plug : Yes
Manual: Yes
Carrying case: Yes
Headphone frequency : 12 - 23000 Hz
Driver unit: 40 mm
Ear coupling: Circumaural
Driver type : dynamic
Wearing style: Head-band
Product Color : Brown , Silver