Bluetooth Audio Receiver USB DAC, Stereo Preamp Headphone Amp with SD/USB/FM/RCA

With 6 kinds of audio input (Bluetooth 5.0 / USB & U-disk / stereo RCA / AUX / SD card / FM radio) and 2 kinds of audio output (stereo RCA / 3.5mm headphone jack), compatible with different audio devices and such as phone, computer, CD player, Echo Dot and so on.

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