🎵【Bluetooth-compatible Amplifier DIY Kit】: Build your own Bluetooth speaker with this DIY soldering kit! Featuring high-power dual 3W speakers, colorful LED flashing lights, and transparent acrylic shells, this electronic kit is both challenging and fun. Perfect for students and DIY hobbyists. Give the present of hands-on learning for Christmas, Birthday, Holiday, or any special occasion!

🎵【Functions & Features】: Two 3W 4ohm Speakers. Colorful LED voice control flashing lights, cool lighting effects. Support power off memory, support TF memory card/U disk or bluetooth to play music. Two control methods, bluetooth connection or infrared remote control. bluetooth Operation: turn on the bluetooth of the mobile phone, find "HJ-MZ" and click connect. After disconnecting bluetooth, it will automatically switch to TF card or U disk.

🎵【Great Electronic Soldering Practice Kit】: Ideal for college and high school STEM programs, this soldering project enhances hands-on skills, increases familiarity with electronic components, and strengthens understanding of electronic theory. But please note,this soldering kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability.

🎵【Easy Soldering】: The bluetooth-compatable module board is soldered and can be used directly after connection. You only need to solder the Led flashing light kit, connect the wires, and assemble the shell. About power: 5V mobile phone charger or computer power supply can be used, the sound quality will be better when the current of the power supply is 2A.

🎵【Updated User Manual】: Please download the User Manual before installing (We have uploaded the user manual on the Amazon page at Product guides and documents). Since different batches of bluetooth-compatible 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.