Product Description: 02CABT Universal WAV/MP3 Decoder Board with Bluetooth Call - Black Bluetooth 5.0 Connectivity: Experience the latest in wireless technology with Bluetooth 5.0, offering seamless audio streaming and reliable connections. The board also supports APP control and hands-free calls, providing convenience and flexibility for your audio needs. Versatile Audio Input Options: This decoding module is equipped with both 3.5mm AUX and 3P AUX inputs, allowing you to connect a variety of audio sources. Additionally, it functions as a USB sound card, enhancing your audio setup with superior sound quality. Comprehensive Playback Capabilities: Effortlessly switch between multiple audio sources including USB, SD, Bluetooth, FM, and AUX. The decoder supports folder selection play, enabling you to organize and access your music library with ease. Advanced Music Control: Enjoy full control over your music with features such as USB/card switching, previous and next song navigation, volume adjustment, EQ settings, play/pause, stop, single song repeat, mute, shutdown, and direct song selection. These features ensure a personalized and enjoyable listening experience. Enhanced Bluetooth Features: Control your music wirelessly with Bluetooth functionalities that include previous and next song navigation, volume adjustment, play/pause, and mute. The power-off memory function ensures your settings are saved, providing a seamless listening experience every time you power on the device. Upgrade your audio experience with the 02CABT Universal WAV/MP3 Decoder Board. Its robust features and versatile connectivity options make it an ideal choice for audiophiles and tech enthusiasts looking to enhance their sound systems.