Simple, reliable MP3 playback and control that integrates with an upper computer and runs automatically. Key benefits Easy integration with an upper computer: Designed to work with an upper computer (host controller/PC) so setup and control are straightforward. Fast, automatic operation: Instructions and commands are executed automatically, reducing setup time and minimizing manual intervention. Full media control: Built‑in support for common playback functions — previous song, next song, play, stop, and direct song selection — so you can manage tracks precisely. Supports combination game modes: Adds interactive or combined-game functionality where music and game control need to work together. MP3 format with good sound quality: Plays MP3 files with clear, pleasant audio for music, announcements, or game soundtracks. Primary functions and compatibility Playback control: Previous, next, play, stop, and song selection are all supported. Format support: MP3 format supported for wide compatibility with standard audio files. Automation: Commands and instructions can be executed automatically when controlled by the upper computer, streamlining operation. Practical use scenarios Retail or hospitality background music: Connect to a point-of-sale or facility controller to automatically manage playlists, skip tracks, or stop music on schedule. Arcade and gaming cabinets: Combine music playback with game controls using the “combination game” support to synchronize audio with game events. Interactive kiosks or exhibits: Use automatic instruction execution from a host computer to trigger specific songs or sounds when visitors interact with the kiosk. What this product solves Eliminates manual file management and manual playback control by enabling host-driven, automatic actions. Provides straightforward control of essential playback functions without requiring complex configuration. Ensures compatibility with common MP3 files for reliable audio performance. Included functions (as specified) Support for upper computer control Automatic execution of instructions Previous song, next song, playback, stop, song selection Support for combination game MP3 format support and quality audio output If you need a controlled, automated MP3 playback module that connects to an upper computer and supports standard playback controls plus combination‑game functionality, this product delivers those core capabilities with straightforward operation.