Bluetooth&portable ( oem bluetooth speaker ) 1) output power: 3w*2 2) frequency response: 150 hz-18khz 3) horn size: 2*3inch/4 4) built-in battery: lithium battery 3.7v/800mah 5) input power: 5.0v 6) with colorful lights 7) with bluetooth function Speaker function: support 3.5mm audio, pc audio input, sd and usb card, fm radio Accessories: usb charging cable, 3.5mm audio cable, remote control Size: 140*146*312mm Meas: 775*393*332mm(box/10units)
