Idea for travel,reduces unwanted noise by up to 85%;

High-performance 40mm samarium cobalt drivers for deep bass response;

Unique full-size ear cup design with comfortable padding for extended wear;

Adjustable folding headband for compact storage and travel;

Single-sided cord minimizes tangles;

Gold-plated 3.5mm stereo plug;

Dual-prong airplane adapter;

1* "AAA" battery.

Specifications:

Driver Unit: Dia 40mm

Impedance: 32ohms

Sensitivity(Off/On): 113dB+/-3dB / 119dB?3dB

Frequency Response: 20Hz-20,000Hz

Max. Input Power: 30mW

Noise Reduction Level: 8dB at 300Hz

Cord Length: approx.2-2.2m