... Power, USB, UART, SPI, PCM interface Bluetooth Profiles: HFP, HSP, A2DP, AVRCP, SPP, bluetooth moudle spp WK-6B * Bluetooth Spec v2.0+EDR Compliant CSR ... type Output Power* Full Speed Bluetooth Operation with Full Piconet Support* Bluetooth Profiles: HFP, HSP, A2DP, AVRCP, SPP, PBAP, OPP…etc.* Scatter net ...