White DIY Electronic Kit Bluetooth Speaker Electronics DIY Soldering Project Kit Teaching Practice Bluetooth Stereo Speaker Product selling points: 1. The volume can be controlled by remote control. 2. Full-range speaker with PU edge, silver-black diaphragm, 40 magnets, 4 ohms, 3W, high cost performance, clear sound quality 3. Interface 3.7-5V DC power supply to automatically play music, stereo amplifier, support Bluetooth, support power-off memory, U disk to play music 4. The acrylic shell is made of 6 pieces of 3mm high-transparency acrylic. Exquisite and beautiful, you need to remove the brown protective film before splicing 5. Very suitable for welding contact and DIY production teaching and training parameter: Channel output: 2 channels Output power: 3w/3w Power supply voltage: DC 4.2-5V, voltage exceeding 5V will damage the module Rated current: 1.5A-2A Wiring instructions: connect the white terminal to the speaker and the red terminal to the power supply. Bluetooth operation: Turn on the Bluetooth of your mobile phone and scan the device directly to find /quot;XC 046Click to connect. After disconnecting Bluetooth, it will automatically switch to the USB flash drive. Circuit function: The red terminal of the Bluetooth module is powered by the 5V power supply, the white terminal is the left and right channels of the speaker, the red wire is positive /, and the black is negative -. As music or other sounds