DIY Electronic Small Speaker Kit This portable Bluetooth speaker kit lets you build your own compact audio device using the MHforM18 Bluetooth audio module and HT6872 foramplifier chip. It includes a 3W speaker and a music forspectrum melody light circuit with 5 flashing LEDs, all designed to be powered through USB. The system supports wireless playback from a phone via Bluetooth or wired input from a 5mm music socket. The transparent casing showcases the internal components for an appealing finished look. Key benefits and features Build your own portable Bluetooth speaker with clear, reliable sound from a 3W speaker. Includes MHforM18 Bluetooth audio module and HT6872 foramplifier chip for integrated wireless playback and amplification. Music forspectrum melody light circuit adds visual LED effects (5 flashing LEDs) to enhance listening sessions. USB powered and designed as a practical soldering practice kit for handson learning. Supports two input methods: Bluetooth from a phone and wired audio via a 5mm music socket. Transparent casing provides visibility of the internal circuitry and assembly. Function, compatibility and performance Function: Compact DIY speaker with builtin Bluetooth streaming, amplifier, speaker, LED light circuit, and USB power. Compatibility: Works with Bluetooth enabled phones and devices; accepts 5mm linein audio from compatible sources. Size and form: Portable, selfcontained kit with a transparent housing for easy observation of internal components. Material and construction: Includes peripherial components and a transparent enclosure to display the build. Performance: 3W speaker delivers solid audio output suitable for listening in small spaces; LED light circuit adds visual feedback synchronized with the audio. Use scenarios At home or in the office: Assemble and use as a compact Bluetooth speaker for music, podcasts, or conference calls. Educational or maker space: Use as a USB powered soldering practice kit to learn electronics assembly, Bluetooth pairing, and basic amplification. Hobby projects or demonstrations: Build a small, visually engaging speaker with Bluetooth playback and LED light effects for demonstrations, classrooms, or DIY showcases. What you get and how it works Components included: MHforM18 Bluetooth audio module, HT6872 foramplifier chip, 3W speaker, music forspectrum melody light circuit with 5 flashing LEDs, and all peripheral parts for assembly. Power and connectivity: USB powered for convenient power; pair with a Bluetooth device to play music or use the 5mm input for wired audio. Assembly and use: Designed for straightforward soldering practice and practical assembly into a portable speaker with a transparent housing for easy viewing of the build. 23 practical applications listening device: Quick setup to enjoy music from a smartphone with wireless Bluetooth playback and clear 3W audio. Educational project: A handson soldering and electronics learning kit that demonstrates Bluetooth audio, amplification, and LED visualization. Demonstration or display piece: A compact, portable speaker with visible internals and LED visuals suitable for trade shows, classrooms, or maker events.