Materials and durability Built with durable components designed for long life and repeated use. The kit emphasizes reliability to support ongoing projects and practice sessions. Practical and creative project Includes the MHM18BT audio module, 8002 powerchip, and essential peripheral components, offering a practical, handson build. After assembly, playback can be achieved by connecting a mobile phone via Bluetooth through the MHM18BT module or via the audio socket for wired playback. Enhanced sound quality The 3W speaker provides clear, improved audio performance, especially when enclosed in the included casing. The transparent casing not only gives a modern, technical appearance but also allows a clear view of the internal components and wiring for study and demonstrations. Applications and use scenarios Education and training: ideal for technology basics courses and skillteaching sessions, helping students understand audio circuitry, module integration, and handson assembly. Enthusiast and beginner projects: useful for practical training in electronics, enabling learners to build confidence with audio modules, power management, and circuit connections. Makerspace and hobby projects: supports practical experimentation in creating small audio playback devices, demonstrations, or prototype demonstrations for electronics clubs. Key features and compatibility Functionality: compact DIY kit that integrates an MHM18BT audio module with a reliable 8002 powerchip and supporting peripherals for a complete audio project. Compatibility: supports wireless playback via Bluetooth from mobile devices and wired playback through the audio socket. Materials and build: designed for durability and longterm use in educational and hobby contexts. Performance: 3W speaker delivers enhanced sound quality within the included casing, with a transparent enclosure enabling inspection of internal components.