Welcome to the store! 1、Soldering Training: This kit is perfect for developing your SMT soldering skills, as well as learning basic electronics and circuit principles. 2、Unique Design: The shell is made of 6 pieces of high-transparency acrylic splicing, exquisite and beautiful. Remember to remove the brown protective film before splicing. 3、Learning and Exploration: While DIYing, you can discover how speakers work and create a safe environment for your entertainment. 4、DIY Fun: A cool project that's fun and challenging to build your own Bluetooth speaker, suitable for welding connection and DIY production training education. 5、Easy Operation: The Bluetooth module board is pre-soldered, all you need to do is solder the spectrum kit, connect the cables, and assemble the housing. Item Type: DIY Bluetooth Speaker Kit Material: Acrylic, PCB Power Supply: DC5V (mobile phone charger/5V adapter/power bank) Speaker Chip: LM386 Audio Input: Bluetooth or audio input Auxiliary Function: Level indication (spectrum function) Speaker: 5W 4 ohm After powering on, search for the Bluetooth name M18 on your mobile phone, connect to Bluetooth to play music, or use an external 3.5 audio cable to play music. Bluetooth Indicator Light: When Bluetooth is not connected, the indicator light flashes quickly; When Bluetooth is connected, the indicator light is on steadily; When Bluetooth is playing, the indicator light flashes slowly. 1 x Audio 1 x Power Cable Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!