<b>The noise is gone, now lose the cord. </b><br><br> The wireless adapter is custom designed for seamless compatibility with the Bose QC25 model. The adapter instantly <br> upgrades your existing pair of Bose (QC25) headphones using bluetooth 4.1 for an ultimate, wire-free listening experience.<br><br> <b>In The Box: </b><br><br> - wireless adapter<br> - Charging cord<br> - User guide<br><br> Bolle & Raven audio technologies shares no affiliation with the Bose Corporation. Any reference to the brand and it's trademarks is for reference purpose only. <br>