Configurable playback and volume via a config file Set a playback mode and volume level through a config file. This enables quick setup and consistent performance across uses, reducing manual adjustments each time. Builtin MP3 player with sound Integrated MP3 playback delivers reliable audio with clear, natural sound quality. Compatible with standard MP3 files for broad accessibility. Six playback modes Supports six different playback modes to suit different listening scenarios without additional hardware or steps. One push button activation Activation and control are simplified to a single push button, enabling fast, intuitive operation with minimal user effort. Use scenarios Classroom or training room Preconfigure a preferred playback mode and volume via the config file and start playback with one button. Useful for ambient audio, prompts, or guided sessions without setup during class. Retail display or showroom Set up background music or informational audio through the config file for a consistent experience. Onebutton activation makes it easy for staff to start playback as needed. Home or desk setup Configure for daily listening preferences and enjoy quick access to playback with a single push button, providing a straightforward audio experience without complex controls.