Blackmore Amplifier Speaker (BJS-155BT) Bluetooth / FM Radio / Integrated MP3 player with SD Card and USB inputs / 5 band Graphic Equalizer 1.73 inch TI DIAP driver. Amplified: Power Supply AC 110-240V 50/60 Hz Dual Microphone inputs with XLR and  Jacks Remote Control RCA Audio inputs and outputs / 8 ohm Speaker output via Speaker connection