For more information on the CSR Harmony Wireless Software Stack 2.1.63.0, please refer to the following resources:
7 Mar 2013 — Azio BTD-V400 - CSR Harmony (Bluetooth Apt-X) Software and Drivers Details. 32 and 64 bit drivers. CSR Harmony is Bluetooth + Apt- www.jessebandersen.com Csr Harmony Wireless Software Stack 2.1.63.0 Download 26