🎵【Bluetooth Amplifier DIY Kit】: Build a real working Bluetooth speaker with this mini stereo amplifier soldering kit. Comes with dual 3W speakers, LED flashing lights, and a transparent acrylic case—a fun hands-on electronics project for STEM learning. Give the present of hands-on learning for any special occasion!

🎵【Multiple Playback Modes】: Supports Bluetooth, TF card, and USB flash drive music playback. Includes infrared remote control for easy operation. Bluetooth pairing: turn on Bluetooth, search “HJ-MZ”, and connect. Support power off memory.

🎵 【STEM Electronics Soldering Practice】: Great for high school & college STEM programs, classroom projects, and beginners learning electronics. Helps improve soldering skills, identify components, and understand basic amplifier circuit principles.

🎵 【Easy to Solder】: The Bluetooth module board is pre-soldered. You only need to solder the LED board, connect wires, and assemble the case. Power supply: 5V/2A adapter recommended for better sound performance. But please note, this soldering kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability.

🎵【Paper English Manual】: Comes with an exquisite paper installation manual which will guide you how to solder this electronics project step by step, ensuring a fun and educational experience for everyone. Since different batches of bluetooth modules may have different versions, the connection methods of the bluetooth modules will also be different. In this regard, we have updated the user manual. The Blue Font in the user manual is for different soldering steps for different versions.