... :UART 2.Audio Interface:PCM, I2S, SPDIF 3.Flash Memory Size:8Mbit bluetooth module with Low Price, High Performance, International Approvals, Prompt Delivery ... Product Attributes1.Host Interface:UART2.Audio Interface:PCM, I2S, SPDIF3.Flash Memory Size:8Mbit4.Dimension:20mm (L) x 13 (W) mm x ...