DROK Blue~Tooth Board, Audio Receiver Blue~Tooth Module 12v Portable Wire~Less Electronics Stereo Music Receive Circuit Chip with Micro USB Port for Headphone Speaker Home Sound System DIY

* PARAMETER --- input voltage range DC 5V-24V, support micro USB 5V power supply; blue~tooth version 4.2. * APPLICATION --- headphone, speaker, home stereo system DIY. * INPUT METHOD --- 3.5mm AUX input & 2.54mm 3P AUX input. * OUTPUT METHOD --- 3.5mm audio output & 2.54mm 3P audio output. * LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing.