Master chip RDA5851S Bluetooth stereo audio Bluetooth headset module can call AT commands control the audio and SPP SPP can transfer data at the same time absolutely transparent transmission only section can be modified online Bluetooth name and password through AT commands
Only one name and password to modify the Bluetooth stereo Bluetooth audio module online via AT commands. By IO switching, choose to support the SPP AT commands or data transmission. SPP mode by default, high for the AT command mode

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