airfrex wireless bluetooth adapter compatible with bose qc3 ( quietcomfort 3 ) headphone airfrex airfrex wireless music adapter is the best bluetooth adapter that custom designed and made for bose qc3 headphone, the size of this audio adapter is tiny and the design is best match and space saving for this qc3 headphone, it has high sensitivity microphone built-in, so people can pick up the phonecall when they are enjoying the wireless music. qc3 is a good active noise cancelling on ear headphone, by using our bluetooth receiver, this anc headphone goes wireless but maintains light weight and the comfortable. this model is compatible with qc3 headphone only.