Product Features This is a practical and kit consisting of MHM18 Bluetooth audio module, 8002 power amplifier chip and peripheral components. After the production is completed, it can be connected to the Bluetooth of the mobile phone or input signals through the audio jack for playback.The 3W speaker has better sound quality under the action of the shell. The transparent shell design allows you to see the internal structure at a glance, showing a sense of engineering and performance.It can be used in teaching and training electronic technology foundation and skills, electronic enthusiasts and beginners to improve the comprehensive practical abilityKit Name Bluetooth TwoChannel Stereo Speaker Production KitWorking power supply USB power supply 5V, it is recommended to use 5V2A fast charging headWorking voltage 5VThis electronic DIY kit will help you learn basic electronic knowledge and circuit principles, and practice soldering skills in a fun way for your kids, or students, or DIYers.Note Parts must be welded yourselfColor Photo colorMaterial plasticPackage contents1Electronic kitOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.