iDance FUNKY500 Headphones - White<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> High definition built in microphone </span></li><li><span class="a-list-item"> Standby time of up to 75 hours， Continuous usage time up to 8 hours </span></li><li><span class="a-list-item"> Frequency response: 20HZ-20KHZ， 40 mm Neodymium Speaker driver and Impedance 32 ohms </span></li><li><span class="a-list-item"> Rechargeable lithium ion battery 3.7V 300mA， Charging thru computer USB interface/output DC5V/500mA charge </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41b6wQvEwOL.jpg" noproxy>