Audio
Driver : 40 mm (1.5") dome type (CCAW adopted) diaphragm
Magnet : High-energy Neodymium
Frequency Response : 6 Hz to 24 kHz
Impedance -
Powered On : 50 Ohm @ 1 kHz
Passive Mode : 24 Ohm @ 1 kHz
Noise Level : ON/OFF switch on earcup
Selectivity : 3 distinct noise-canceling modes for use in three acoustically different environments (Airplane, Train, Office)
Sensitivity -
Powered On : 101 dB/mW
Powered Off : 100 dB/mW

Hardware
Cable :
2x single-sided, tangle-free cords : Stereo, detachable
In-line remote/microphone for smartphone, detachable
Headphones : Closed supra-aural, Dynamic
Microphone : Omnidirectional, electret condenser (100 Hz to 4 kHz frequency range, -40 dB (0 dB = 1 V/Pa)
Remote Control -
Basic : Play, pause, answer, end
SmartKey App : personalized functionality

Power
Battery Level Indicator : LED
Battery Life : Up to 20 hours (approximate) with supplied LR03 size AAA battery
Power Handling : 100 mW (IEC)
Power Source : DC 1.5 V via 1 x LR03 (size AAA) battery

General
Cable Length :
Stereo Connecting Cable : 1.5 m (59.08")
Smartphone Control Cable : 1.2 m (47.25")
Connector : 2x gold-plated, 4-conductor stereo L-shaped mini plugs
Weight : 205 g (7.3 oz), approximate, including battery, without cable

AAA Battery
Smartphone Control Cable
Stereo Connecting Cable
In-Flight Plug Adapter
Carrying Pouch