Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT)<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"> Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality. </span></li><li><span class="a-list-item"> Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone. </span></li><li><span class="a-list-item"> Up to 25 hour battery life and is supplied with connecting cable for battery-free listening </span></li><li><span class="a-list-item"> Compatible with most smartphones &amp; tablets.Height: 7.8 in / 19.8 cm </span></li><li><span class="a-list-item"> Product Dimensions: 7.1 x 3.9 x 10.2 inches </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Ooz6Kj8fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31hhck5H4lL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xvPnhsmQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412KkpTXpFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wmhVbYZkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51j7ZHwvzML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51x9%2BkfV8pS.png" noproxy>