Golzer BTX40 Bluetooth 4.1 Wireless Headphones with CSR apt-x chip - Black/Silver<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Great Sound: The Apt-x coding delivers full "wired" audio quality over Bluetooth， whether the audio source is stored uncompressed or in an alternative compression (MP3， AAC， FLAC) format </span></li><li><span class="a-list-item"> Rechargeable Battery: 2.5 hours for full charge， up to 16 hours of Playback. Charges through standard micro USB port </span></li><li><span class="a-list-item"> Wireless/Wired: Wireless Bluetooth Mode or Wired Mode. When using the audio cable， the unit is still usable even if the battery is depleded </span></li><li><span class="a-list-item"> Microphone: Answer Incoming Calls Right on Your Stereo Headphones &amp; Your Music will Automatically Resume When You Hang Up </span></li><li><span class="a-list-item"> Package Includes: BTX40 Headphones， Travel Hard Case， 3.5mm Audio Cable， Charging Cable， User Guide </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZlitVlynL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41aiHZ6INxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UGdY7vSmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41pW5NyPPlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51awDcTv%2BrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519umWhevZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61w8FBUQH5L.jpg" noproxy>