Mutant MIG-BTH4 M-Rockz Bluetooth Wireless Stereo Headphones with Microphone， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Connection : Wireless Bluetooth A2DP EDR 2.1 supports music and hands-free calling. Advanced DSP technology for interference free connection with up to 10 meter range. </span></li><li><span class="a-list-item"> Great Sound Quality : Echo cancellation and noise reduction brings out the clarity in the sound. Full range dynamic drivers deliver life-like music with crystal clear details (40Hz-20KHz) </span></li><li><span class="a-list-item"> Music controls built in for skip， fast forward， rewind， play/pause and volume. Answer calls by pressing play/pause! </span></li><li><span class="a-list-item"> Built in rechargeable battery powers 14 hours of call time and 11 hours of music playback. Charges via USB in 3.5 hours. USB cable included! </span></li><li><span class="a-list-item"> Built in microphone for hands-free conversations. Foldable design for easy travel. Free travel bag included! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zRlVfLNHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31W4G2NlzlL.jpg" noproxy>