Módulo transmisor de Audio 5,1 Compatible con Bluetooth, indicador LED estéreo, Mini tarjeta de sonido USB de música, transferencia inalámbrica para altavoces
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HC-02 6pin Bluetooth Module Compatible with HC-05 / HC- 06 - Robotools
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Source CSR8670 Bluetooth audio module TX RX UART-USB development board on m.alibaba.com
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