Double Bass Clear Stereo Sound Bluetooth Wireless Headphones with Hands-free and In Headset Control - Studio Edition<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Foldable and Adjustable Ear Cups that fits securely and comfortably </span></li><li><span class="a-list-item"> Built-in hands free and full control buttons </span></li><li><span class="a-list-item"> Up to 10 hours talking and up to 6 music and only 2-3 hours for charging </span></li><li><span class="a-list-item"> Bluetooth 3.0 +EDR， 33 feet working distance </span></li><li><span class="a-list-item"> Suitable for any device with Bluetooth and/or with 3.5 mm jack (wire included) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fUkeE34EL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IjIzM6aLL.jpg" noproxy>