wireless bluetooth adapter for bose quietcomfort 15 headphones, myriann bluetooth 4.1 receiver compatible with bose qc15 acoustic noise cancelling headphones myriann <b>features:</b><br> ✔this wireless bluetooth adapter customized for your bose quiet comfort 15 headphones, upgrades your headphones to wireless.<br><br> ✔low power consumption, the built-in rechargeable battery provides up to more than 5 hours of continuous, wireless music playback.<br><br> ✔the unique interface of gold-plated audio is superior than aluminum alloy of most products in the market.<br><br> ✔premium materials make it lightweight and comfortable for all-day listening.<br><br> ✔easily take calls wirelessly, simply press the multifunction button on adapter to accept incoming calls, integrated microphone can pick up your voice clearly when making calls, then long press it again to terminate the call, music playback will automatically resume.<br><br> <b>what in the box:</b><br> -myriann wireless bluetooth adapter<br> -charging cord<br> -user guide<br><br> <b>myriann service</b><br> 18-month warranty and lifetime technical support. feel free to contact us if there is any problem with this product, we will try our best to help you to solve it.