Sales Package:1 Woofer, 2 SPeakers ,1 Aux, 1 Remote and User Manual •Efficient design that saves energy by consuming less power •Bluetooth- yes ,Memory card slot -Yes, Configuration 2.1,impedance Main Unit 4 OHMS ,Satellite 8 OHMS •Power Output (RMS) 40 W, Frequency response 40Hz-200 Hz (Main unit) ,200Hz-20KHZ(Satellite) •1 year warranty on the product