A practical electronic production kit that includes a Bluetooth module, an 8002 power amplifier, and peripheral components. After assembly, it can connect to a mobile phone via Bluetooth or receive audio through an audio socket to play. Key benefits Enables wireless playback from smartphones through Bluetooth. Provides an amplification stage using the 8002 power amplifier for DIY audio projects. Includes peripheral components to complete the circuit and simplify assembly. Flexible connection options support both wireless and wired audio sources. Function and compatibility Function: converts Bluetooth or wired audio signals into amplified output for speakers. Compatibility: can pair with mobile phones via Bluetooth or accept audio input through an audio socket for playback. What's included Bluetooth module 8002 power amplifier Peripheral components needed for assembly Use scenarios 1) Build a small Bluetooth speaker: pair a mobile phone with the kit and drive a speaker cabinet through the amplifier. 2) Create a desk or hobby room audio amplifier: use Bluetooth playback from a phone or computer, or connect an audio source via the audio socket. 3) Educational or DIY projects: use the kit to learn about audio amplification and wireless audio interfaces in classroom or hobby lab settings.