JBL E55BT Over-Ear Wireless Headphones Black<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"> Type Ear coupling: Over-ear (circumaural) Primary application: General listening Secondary application: General listening Operating principle: Closed Audio Frequency response (TX): 20Hz - 20kHz SPL: Not specified Driver diameter: 50mm THD: Not specified Noise cancelling: No Comfort Weight: Not specified Cable Style: Not specified Length: Not specified Connector: 3.5mm Built-in mic: Yes </span></li><li><span class="a-list-item"> Both versatile and efficient， the E55BT features up to 20 hours of battery life and an innovative， stylish fabric headband </span></li><li><span class="a-list-item"> The ergonomic over-ear design means that your entertainment continues and your fun factor gets amped up no matter what you’re doing—working， commuting， or just making your way around town </span></li><li><span class="a-list-item"> Multi-device connectivity allows you to seamlessly switch between two devices， so you never miss a call </span></li><li><span class="a-list-item"> With a sleek appearance， various color options and the added convenience of a detachable cable with remote and microphone， you’ll never want to be seen without your E55BT headphones </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41bL5SNuWfL.jpg" noproxy>