Type    Closed, Dynamic
Microphone    In-line electret condenser (with supplied smartphone control cable)
Cord    Single-sided, detachable
Remote Control    Multi-function button / SmartKey app (with supplied Smartphone Control Cable)
Impedance    24 Ω at 1,000 Hz
Driver    40 mm , dome type, Aluminum-coated Liquid Crystal Polymer Diaphragm
Volume Control    No
Power Handling    1500 mW (IEC)
Sensitivity    105 dB/mW
Frequency Response    3 to 100,000 Hz
Case Type    Carrying pouch
Intended Application    Portable and home
Design    Over-the head
Headband    Yes
Plug    Gold-plated plugs: stereo mini an L-shaped four conductor mini
Cable Length    Headphone Cable: 3.9' (1.2 m) 
Smartphone Cable: 3.9' (1.2 m)