This amazing Bluetooth module offers a range of great features. It supports Bluetooth, U-disk, and TF-card playback, along with a convenient Bluetooth call function. With a simple and clear serial port control, it also has BLE and SPP pass-through capabilities. The standout feature is its dual-mode Bluetooth, allowing simultaneous Bluetooth audio playback and data transmission. This significantly reduces the development difficulty when integrating Bluetooth into other embedded products. Key features include support for MP3, WAV, WMA, FLAC, AAC, and APE audio formats, 128GB U-disk and TF card support, Bluetooth audio transmission and control, Bluetooth call control, and BLE and SPP pass-through functions. The specifications are as follows: Power Supply: 3.3V - 5V, Operating Current: 20mA, Communication: UART, Bluetooth: 5.0, Operating Temperature Range: -40℃ - 80℃, Operating Humidity Range: 5%RH - 95%RH, Dimension: 45*42mm/1.77*1.65”. It also comes with a product wiki, and the shipping list includes one Audio & BLE/SPP Pass-through Module Bluetooth 5.0 Eval Board.


Using this Bluetooth module is easy. First, make sure to connect it to a power supply within the range of 3.3V to 5V. You can then start using it for audio playback from a U-disk, TF card, or via Bluetooth. To use the Bluetooth call function, simply pair your device as you normally would. When it comes to data transmission, the BLE and SPP pass-through functions work automatically once connected. Keep in mind that the module should be used within the specified temperature range of -40℃ to 80℃ and humidity range of 5%RH to 95%RH. To maintain it, avoid exposing it to extreme conditions. If you encounter any issues, refer to the product wiki for more detailed information.