You have two options, wait until itead release the headphones with
nrf24z1<http://iteadstudio.com/application-note/make-a-wireless-speakers-he=
adphones-with-nrf24z1/>for
a low cost low quality solution, or just go ahead and buy the
pure-path
audio transceiver<https://estore.ti.com/CC85XXDK-HEADSET-PurePath-Wireless-=
Headset-Development-Kit-P2452.aspx>from
TI for a excellent quality solution.

Some times TI offer the PurePath with a nice discount at
TIDeals<http://tideals.com/>
..


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