- Experience superior sound quality with a built-in 2W amplifier (up to 3W with 5V power), designed to connect effortlessly with recommended 43W speakers. Enjoy the flexibility of a 3.5mm gold-plated headphone port for headphones or external audio devices. - Compatible with MP3 format, this device automatically plays your music. A convenient red LED indicator flashes while playing, ensuring you know when your tracks are active. - Supports multiple playback modes including USB disk (tested up to 32GB) and memory card (tested up to 16GB). By default, it operates in memory card mode, automatically switching to USB disk mode when a card is not present. If both devices are connected, you can manually select your preferred playback mode. - Control your music with ease using the adjustable buttons that allow you to navigate through songs, adjust volume levels, and switch modes. For detailed functionality, please refer to the key operating instructions. Use Scenarios: - Perfect for home audio setups, allowing you to connect to high-quality speakers for an enhanced listening experience. - Ideal for portable use at gatherings or outdoor events, with the option to connect headphones for personal listening. - Suitable for use in car audio systems, providing a simple solution for playing your favorite MP3 tracks directly from a memory card or USB drive. This product combines functionality and performance, ensuring a reliable and enjoyable audio experience for various applications.