Product Specifications
Convenience Features

Noise Reduction : Total noise suppression - Approx: 16 dB (when power is on)1
Power

Battery Indicator : yes
Battery Life (Approx) : Up to 20 hours with internal rechargeable, nickel-metal hydride battery
Battery Type : DC 1.5V, 1 x AAA/LR03 battery
Audio

Driver Unit : Closed, Balanced Armature
Frequency Response : 5 - 20,000 Hz
Impedance : 820 ohms at 1 kHz
Selectivity : 3 distinct noise-canceling modes for use in three accoustically different environments (Airplane, Bus, office)
Sensitivity (db) : 106 dB/mW
General

Case Type : Carrying Case
Headband : N/A
Plug : Gold-plated L-type stereo mini plug
Power Handling Capacity : 50 mW 
Type of Use : Portable
Weights and Measurements

Weight (Approx.) : 6 g (0.22 oz.) wihtout cord
Audio Features

Ear Cups : N/A
Hardware

Cord : 59 1/8 in. (1.5 m), OFC Litz cord neck-chain
Headphone Type : Vertical in-the-ear design, noise canceling
In the Box
Plug Adapter for in-flight use (single/dual) (1)
Carrying Case (1)
USB Charger Adapter (1)
Cord Adjuster (1)
Operating Instructions (1)
Noise Isolation Earbuds - S (2), M (2), L (2)
Clip (1)
Warranty Card (1)