GENUINE and ORIGINAL Packing same as Pictures.

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Reduces outside noise by 95%
Bio-Cellulose Diaphragm reproduces pure & precise sound
Feed-forward canceling system with new driver provides high-quality sound reproduction even when noise canceling circuit is off
Two noises cut filters for low and high sound frequencies
Ergo-design Earpads for long listening comfort
Hard case included 34 hours long operation time with 1xAAA Alkaline battery
Frequency response 10Hz - 30kHz

Drive Unit (diam. in mm) 40
Impedance (ohm/1kHz) 71 (on)/26(off)
Sensitivity (dB/mW) 96
Max. Input (mW) 1000
Frequency Response (Hz-kHz) 10-30
Cord Length (ft./m.) 4.9/1.5
Plug Type Gold
AIR Plug Adaptor Gold
Dimensions (H x W x D)              

9.3'' x 7.4'' x 4.1''