4X([Bluetooth Amplifier DIY Kit]: The Solde Project DIY Kits are used to installed to an electronic transparent stereo speaker with high- speakers, colorful LED and transparent Acrylic shell. This Electronic DIY kit help you to learn basic electronic knowledge and circuit principles, and practice solde skills enjoyably and your kids, or students, or DIYers.
[Great Electronic Solde Project]: Great School Science Project kit for solde practice and also suitable for family . only to improve your solde skills, you will also will be more familiar with electronic components and learn more interesting electronics things. But please e,this solde kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability.
[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 assemble the shell. and entertaining, bluetooth Speaker by yourself, a cool project and challenging enough to be . About : 5V mobile phone charger or computer supply can be used, the sound quality will be better when the current of the supply is 2A.
[Functions & Features]: Two 53W 4ohm Speakers. Colorful LED voice control , cool lighting effects while listening to musi. Support off memory, support TF memory card/U disk or Bluetooth to . Two control methods, Bluetooth connection or infrared . 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- speakers, beautiful music Spectrum and transpare)