1. DIY Radio Speaker Kit: Easy to assemble with included nuts, screws and other components; you can do it by yourself, a cool project. 2. Performance: FM radio, Bluetooth 5.0, voice activated LED, infrared remote control, USB port, TF card port, audio cable port, call function, clear sound quality. 3. Working Voltage: DC 5V (it is recommended to use a 2A mobile phone fast charging head for power supply); Working current: greater than 1A (the working current is different for different radio stations and different music); Static working current: about 40mA (no music playing); Output power: 2x3W 4. Double Decoding: Mini spaker unit electronic parts support MP3 /WMAI WAV / FLAC / APE lossless format music; support MMC//MMA and other cards, support USB interface (U disk) Use scenarios DIY hobbyist project and learning: Build the kit to gain handson experience with basic electronics while ending up with a functional audio device. Home audio and portable speaker use: Use as a Bluetooth 5.0 speaker with FM radio, remote control, USB and TF card playback, and wired audio input for versatile listening. Classroom or workshop demonstration: A compact kit to show multiple input options, decoding formats, and audio performance in an educational setting.