Sony Over The Ear Stereo Headphones, Super Lightweight with Wide Adjustable Headband, Supra-Aural Ear-Cup with Open Air Design, and Flexible Ear Fit Mechanism, Large 40mm Drivers, A 3.0 Meter, Y-Type Cable Lets You Connect To Various Audio Devices, Computers, and Home Audio Gear Open-air design, Super lightweight with wide adjustable headband, and padded earpieces for comfort usage Flexible Ear Fit Mechanism automatically adjusts the driver angle to match that of the listener's ears resulting in optimized sound quality 40mm driver units provide just the right balance of rigidity and response for balanced audio Stable Ferrite magnets ensure dependable, accurate audio and extended use 9.8' (3.0 m) Y-type cable allows for ample mobility when connected to an audio device