Product Specifications
Convenience Features

Noise Reduction : Total noise suppression - Approx: 20 dB (when power is on)
Power

Battery Indicator : yes
Battery Life (Approx) : Up to 16H (with built in fully charged battery)1 28H (with fully charged built in battery and 2 fresh AA batteries)1
Battery Type : DC1.5V- 2 size AA battery, DC 3.7V -built in rechargeable Lithium-ion battery
Power Handling Capacity : 100 mW 
Audio

Driver Unit : 40mm Dynamic, closed, dome-type
Frequency Response : 5 - 24,000Hz 
Impedance : 40 ohms at 1kHz
Noise Level : ON/OFF switch on EarCup
Selectivity : 3 distinct noise-canceling modes for use in three accoustically different environments (Airplane, Bus, office)
Sensitivity (db) : 102 dB/mW
General

Case Type : Carrying case
Design : Premium over the head, Noise canceling
Headband : Adjustable, Foldable (Swivel)
Magnet : Neodymium 
Plug : Gold-plated, L-shaped stereo mini plug
Type of Use : Noise canceling
Weights and Measurements

Cord Length (Approx.) : 1.5 m
Weight (Approx.) : 6.9 oz (195 g) (including built in battery) 
Audio Features

Ear Cups : Swivel for folding
Hardware

Cord : 1.5 m Single-sided cord
Headphone Type : Closed, dynamic 
In the Box
(2)AA Batteries
Connecting cord x3 (.5m stereo mini, 1.5 type stereo mini, cord with battery case)
Carrying Case 
Inflight plug adapter 
Startup guide
AC Power adaptor for charging internal battery
Unimatch plug adapter 
Warranty card