Sony MDR-NC300D Headphones

Product Description
Comfortable Vertical-In-The-Ear Style Earbuds; Up To 98.4% Noise Reduction; Digital Processing Realizes More Effective Noise;Cancellation With Superb Sound Quality; Artificial Intelligence (Ai) Noise Cancelingautomatically Selects Optimal Noise Cancellation Mode Based On Environment (Plane, Bus/Train, Office); Superb Sound Quality With Digital Sound Enhancer (16mm Drivers); Selectable Sound Modemovie/Bass/Normal; Convenient Volume Control & Monitor Button On Controller; 1 Aa Battery Provides 20 Hours Of Use; Includes 7 Sizes Of Earbuds, Carrying Case, In-Flight Plug Adapter, 1.2-M Neck-Chain Style Cord With Controller, .6-M Extension Cord, Cord Adjuster & 1 Aa Battery; Black.
Comfortable Vertical-In-The-Ear Style Earbuds
Up To 98.4% Noise Reduction
Digital Processing Realizes More Effective Noise
Cancellation With Superb Sound Quality