ECSiNG 4pcs Bluetooth 4.1 MP3 Audio Car Amplifier Module XY BT Mini Circuit Board Decoder 3.5mm Stereo and Micro USB Receiver for Speakers 30x30mm

Packaging: 4 Bluetooth 4.1 circuit boards, model: XY-BT-MINI, size: 30x30mm, equipped with 3.5mm stereo interface, three solder pads, and Micro USB interface. You can input stereo sound sources, connect headphones, and connect power amplifiers. Application: The circuit board plays audio signals through Bluetooth connection. The audio module is suitable for retrofitting existing systems or speakers with Bluetooth. Suitable for building your own portable Bluetooth speaker. Performance: The circuit board supports Bluetooth 4.1, automatic reconnection function, WAV+APE+FLAC+lossless MP3 decoding, and stereo channel output. Function: When the module is powered on, the blue LED lights up,The module will display as "XY-BT". When the module is connected to a smartphone, a voice prompt will appear saying "Bluetooth device successfully connected", and you can use the Bluetooth module to play music. The module is made of metal and plastic materials, effectively preventing wear and tear, durable, easy to use, and extending its service life