Sony Dynamic closed-type headphones MDR-ZX310-L Blue<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Folding mechanism of its own that can be compact size Quick folding mechanism adopted simple， easy to carry </span></li><li><span class="a-list-item"> Model: Dynamic Sealed Driver diameter: φ30mm Playback frequency: 10 ~ 24000Hz </span></li><li><span class="a-list-item"> Impedance: 24Ω Output sound pressure level (sensitivity): 98dB Plug: 3.5mm stereo mini plug </span></li><li><span class="a-list-item"> Code: 1.2m Weight: about 125g I (except cable) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31xpHFkBMML.jpg" noproxy>