Evaluation Kit for RN52 Bluetooth Audio | element14 | Design Center
RN-52 Bluetooth Hookup Guide - learn.sparkfun.com
Amazon.com: Microchip Roving Networks RN52-I/RM Bluetooth Version 3.0 Audio Module, Fully Compatible with Bluetooth Version 2.1+EDR, 1.2, and 1.1: Computers & Accessories