[Bluetooth Amplifier DIY Kit]: The Soldering Project DIY Kits are used to installed to an electronic transparent stereo speaker with high-power speakers, colorful LED and transparent Acrylic shell. This Electronic DIY kit help you to learn basic electronic and circuit principles, and practice soldering skills enjoyably and your kids, or students, or DIYers.[Great Electronic Soldering Project]: Great School Science Project kit for soldering practice and also suitable for family education. Not only to your soldering skills, you will also will be more familiar with electronic components and learn more interesting electronics things. note,this soldering kit requires certain foundation of basic electronic theoretical and welding and hands-on .[Easy Installation]:The bluetooth 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 the shell. and entertaining, your own bluetooth Speaker by yourself, a cool project and challenging enough to be . 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.[Functions & Features]: Two 53W 4ohm Speakers. Colorful LED voice control , cool lighting effects while to musi. Support power off memory, support TF memory card/U disk or Bluetooth to . Two control methods, Bluetooth connection or infrared remote control. Bluetooth Operation: turn on the Bluetooth of the mobile phone, find "-MZ" and click connect. After disconnecting Bluetooth, it will automatically switch to TF card or U disk.COOL SPEAKER:An electronic transparent stereo speaker with high-power speakers, beautiful music Spectrum and transparent Acrylic shell.USB PORT:Support power off memory, support TF memory card/U disk or Bluetooth to .POWER CONNECTOR: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.TF CARD PORT:After disconnecting Bluetooth, it will automatically switch to TF card or U disk.Colour:Photo ColorMaterial: ABSSize:13.5 x 7.5 x 6.5cmPackage Contents:1 x DIY Bluetooth Speaker KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.