Product Description: 02CABT Universal WAV/MP3 Decoder Board with Bluetooth Call - Silver Advanced Bluetooth 5.0 Connectivity: Enjoy seamless wireless audio streaming with Bluetooth 5.0. This decoding board supports APP control and hands-free calls, making it perfect for modern audio setups and convenient communication. Versatile Audio Input Options: The module supports both 3.5mm AUX and 3P AUX audio inputs, providing flexibility for various audio sources. Additionally, it functions as a USB sound card, enhancing your audio experience with high-quality sound processing. Comprehensive Playback Features: Effortlessly switch between different audio sources including USB, SD, Bluetooth, FM, and AUX. The decoder supports folder selection play, allowing you to organize and access your music with ease. Full Control Over Your Music: The MP3 decoder offers extensive playback controls such as USB/card switching, previous and next song navigation, volume adjustment, EQ settings, play/pause, stop, single song repeat, mute, and shutdown. Direct song selection is also supported for quick access to your favorite tracks. Enhanced Bluetooth Functionality: Control your music wirelessly with Bluetooth features 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. Upgrade your audio system 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 experience.