Universal Compatibility: Designed for versatile use in cars, boats, and homes, ensuring a seamless fit for any audio setup. Enhanced Sound Quality: Elevates your listening experience by delivering clear, powerful sound across various audio systems. Construction: Built to withstand harsh environments, making it ideal for marine applications. Easy Installation: Comes with all necessary accessories for a straightforward setup, allowing you to enjoy superior sound quality without professional help. Compact Design: Its sleek, space-saving design makes it easy to integrate into existing audio systems without additional modifications. Color: Black Material: plastic Package Contents: 1 x MP3 decoder board module 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.