Includes reverse power protection to prevent damage from incorrect wiring. How to Use the XFW-BT Module
Open Bluetooth settings on your mobile device and search for the device name "XFW-BT" or "XY-WRBT" .
Highly versatile, supporting 3.7V to 24V DC via dedicated pins or 5V via a Micro-USB port. Audio Performance: Signal-to-noise ratio (SNR) of ≥is greater than or equal to 90dB and low distortion of ≤is less than or equal to -70dB .
5.0 (backward compatible with 4.2, 4.1, and 4.0).
Connect your speakers or headphones to the 3.5mm stereo jack or the onboard L/R/GND solder pads. Common DIY Applications Bluetooth 5.0 decoder board
Once paired, an English voice prompt typically confirms the connection, and the LED stays lit.