Bluetooth Speaker Kit 2/3W Electronic Welding Kit Automatically Play Music Adjustable Light Teaching Practice Electronic Kit

DIY version Product features. 1. Use of high-quality materials, durable 2. Music spectrum circuit SMD components, welding more challenging 3.45 magnetic full-range speakers, louder, more powerful stereo effect 4. All-in-one audio installation is easy, powerful, peripheral remote control 5. The unique appearance of this speaker, the shell is cut from imported transparent acrylic, 1. 8mm thick, crystal translucent. With cell phone Bluetooth connection function, infrared remote control function does not need to connect the audio line Parameters. Power supply: DC3.7-5V input, send USB to DC power cable, note that can not exceed 5V or burned The whole set of Bluetooth speaker kit has been equipped with USB power cable, the circuit board is welded, only need to connect the line assembly can be used, power supply can use cell phone charger or computer 5V power supply, use the current 2A power supply sound quality is better. Function: 3.7-5V DC power supply automatically play music, 3W / 3W stereo amplifier, support Bluetooth, support compatible with power failure memory, TF memory card / U disk to play music