Mini Amplificatore di Potenza HiFi 50Wx2 Amplificatore Stereo Bluetooth Assemblato ZK-502L
Mini 50Wx2 HiFi Power Amplifier Bluetooth Stereo Amplifier Board without Shell Assembled ZK-502L. If you want to use AUX audio input, you can disconnect Bluetooth and there will be a sound prompt. Then plug in your audio cable to play music.