- Multiple Playback Options: This MP3 module accommodates both hard drives and TF cards, allowing you to easily save and play your favorite audio files. It supports up to 16 GB on TF cards and 32 GB on hard drives, ensuring ample storage for your music collection. - Automatic Mode Switching: Designed for user convenience, the device seamlessly transitions from TF card mode to hard drive mode when no card is detected upon power-up. This feature guarantees a hassle-free listening experience. - User-Friendly Controls: Featuring an intuitive button layout, users can effortlessly switch tracks, adjust volume, and pause or play audio for a smooth interaction with the device. - Real-Time LED Status Indicator: The red LED light provides instant feedback on playback status, enabling users to monitor device operation easily without the need for direct inspection. Practical Applications: 1. Perfect for home audio setups, allowing you to enjoy extensive music libraries from both hard drives and TF cards. 2. Ideal for car audio systems, offering versatile playback options to enhance your driving experience. 3. Great for portable speaker systems, making it easy to switch between multiple audio sources for a variety of listening situations.