bluetooth moudle spp Class 2 type Output Power, USB, UART, SPI, PCM interface Bluetooth Profiles: HFP, HSP, A2DP, AVRCP, ... * 3.3V operation* Minimum External Components* USB, UART, SPI, PCM interface* Support for 8Mbit External Flash Onboard* Support for 802.11Co-Existence ... 1.1/2.0 or UARTAudio InterfacePCM and Analog interfaceFlash Memory Size8MbitDimension26.9mm (L) x 13 (W) mm x 2.2mm ...