Califone 2800-BL Listening First Stereo Headphones， 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"> Califone 2800-BL Listening First Stereo Headphones， Blue; IBM， iMac and Mac compatible; Specifically sized for young students </span></li><li><span class="a-list-item"> 30mm Mylar Cone; Ferrite Magnet; Impedance 25 Ohm each side; Frequency Response 20-20kHz; SPL 110dB; Rating Input: Min 20mw， Max 30mw; 5 pct Distortion; 40mm Mylar Dome Driver Unit Transducers; Sensitivity 98dB at 1kHz </span></li><li><span class="a-list-item"> No volume Control for Child Protection; 5.5 ft straight cord with reinforced strain connection Right Angle 3.5mm Mini Plug resists accidental pull-out </span></li><li><span class="a-list-item"> Adjustable Headband; Ambient Noise-Reducing Rugged ABS Plastic Earcups; Replaceable Foam-Filled Leatherete Ear Cushions </span></li><li><span class="a-list-item"> Unit Weight 9.6 ounces; Shipping Weight 1 pound </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/310D9A7irYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Mm3LeFQ0L.jpg" noproxy>