1. Bluetooth-Compatible Decoding: Enjoy the convenience of wireless audio streaming in your vehicle with this audio receiver board. It provides high-quality, lossless audio playback for an enhanced listening experience. 2. Versatile Power Options: The MP3 lossless decoder board can be powered via USB using a universal Micro-USB 5V power supply, ensuring compatibility and flexibility. It also supports external power conversion for 3.7-5V lithium batteries, allowing for portable use. 3. Clear Bluetooth-Compatible Mode Indicator: The LED indicator light displays a long blue glow in wireless stereo music module, providing a clear visual indication of the board's current status. Easily identify when your device is connected and ready to stream audio wirelessly. 4. Standard 3.5mm Stereo Audio Interface: Equipped with a standard 3.5mm audio interface, this MP3 decoding player board offers compatibility with a wide range of devices. Connect headphones, amplifiers, and other audio equipment for seamless integration into your car or home audio system. 5. Easy Installation and Integration: With its compact size and simple setup, this MP3 format decoder board can be easily installed and integrated into your existing audio setup. Upgrade your car's sound system or retrofit your home speakers effortlessly. Certification:NONE Compatible Audio & Video Equipment Style:Digital-to-Analog Converter(DAC) Model Number:Bluetooth-Compatible Decoding Board Weight:10.00 g Working voltage:3.7-24VDC Bluetooth-Compatible version:5.0 Transmission distance:15 meters(visible and unobstructed) Signal-to-noise ratio:90dB Distortion:-70dB Number of channels:two channels(stereo) Audio interface:3.5mm audio interface Module protection mechanism:reverse power protection Size:about 30x30mm/1.18x1.18inch Colour:As Shown Material:Metal Instructions: This version upgrades the prompt"English voice prompt".After the power is turned on,the blue indicator light is always on,and it enters the Bluetooth-Compatible mode;after playing the"prompt tone",it enters the pairing mode;the mobile phone Bluetooth-Compatible searches for"XFW-BT"(the name of the decoding board device),"XFW-BT" is connected,and the connection After success,the"prompt tone" will be played,and music can be played; after the Bluetooth-Compatible is disconnected,the decoder board will prepare for next pairing and play the pairing mode"prompt tone".The"prompt sound" of each mode is different,the user pays attention to distinguishing Due to different batches,there may be differences in product appearance and printed text,which will not affect use Package Contents: 30 * VHM-314 MP3 Bluetooth audio receiver decoder board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.