MDCS56 Class 2 Bluetooth Headphone Module 1.HS/HF, A2DP, AVRCP, OPP, DUN, SPP profiles 2.Class 2 3.UART& ... customize their applicationsto support different Bluetooth profiles, such HS/HF, A2DP, AVRCP, OPP, DUN, SPP, andetc. The module supports Bluetooth. Enhanced ... :. Bluetooth v2.1+EDR, Class 2. Profiles including HS/HF, A2DP, AVRCP, OPP, DUN, SPP, and etc.. UART and USB programming ...