... ,FM,LED display 2.Rechargeable mini speaker box,with battery box and BL-5C battery Lamborghini Mini Car Speakers C-300L C-300L ... , LED display 2. Rechargeable mini speaker box, with battery box and BL-5C battery SpecificationDisplayLED displayOut-put power3W*2Frequency30Hz-20KHzNoise Ratio95dbWorking powerDC5VFM FunctionYesBatteryBL ...