{"title":"Evaluation Board for Audio  BLE/SPP Pass-through Module - Bluetooth 5.0","handle":"evaluation-board-for-audio-ble-spp-pass-through-module-bluetooth-5-0","url":"/products/evaluation-board-for-audio-ble-spp-pass-through-module-bluetooth-5-0","description":"An evaluation board for a dual-mode Bluetooth 5.0 module that handles both wireless audio and serial data pass-through simultaneously. It can play audio from U-disk or TF card, stream audio over Bluetooth, handle Bluetooth call control, and run BLE or SPP data pass-through — all at the same time, with simple UART serial control.\n\nThe dual-mode design significantly reduces the development complexity of embedding Bluetooth audio and data connectivity into a single product.\n\nKey Features\n\n\nBluetooth 5.0 – Dual mode: audio + BLE/SPP data pass-through simultaneously\n\nAudio Formats – MP3, WAV, WMA, FLAC, AAC, APE\n\nStorage Support – U-disk (up to 128GB) and TF (microSD) card\n\nBluetooth Call Control – Answer, end, and manage calls wirelessly\n\nBLE & SPP Pass-through – Transparent serial data bridge over Bluetooth\n\nUART Control – Simple serial command interface\n\n\nSpecifications\n\n\nPower Supply – 3.3V–5V\n\nOperating Current – 20mA\n\nBluetooth Version – 5.0\n\nOperating Temperature – −40°C to 80°C\n\nOperating Humidity – 5%RH to 95%RH\n\nDimensions – 45 × 42mm\n\n\nIdeal For\n\nDeveloping Bluetooth audio speakers or receivers\nEmbedded projects requiring simultaneous audio streaming and BLE data communication\nPrototyping Bluetooth call-handling devices\n\n\nPackage Contents\n\n1× Audio BLE/SPP Pass-through Module Bluetooth 5.0 evaluation board\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3508,"title":"Default Title","sku":"DF-DFR0782","price":27.53,"on_sale":false,"in_stock":true,"available_quantity":8,"option1":"Default Title"}]}