Bluetooth Stereo Audio Receiver Module, 3V-5V for Amplifiers, Sound Recorder and Sound Circuit Electronic Hobby Kit. This Bluetooth audio receiver module transmits MP3 and other standard audio formats' audio signals. It's simple to set up and use, and once connected to another Bluetooth system, such as your phone or laptop; it can receive and translate signals into an output format compatible with speakers. It has three output terminals: L Out, R Out, and GND, to which you can attach a wired earphone through a 3.5mm female jack, or connect its output to the input of a suitable amplifier device to drive a large speaker.

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