Características REM CONT USB/SD/TWS BLUETOOTH FM RADIO RECORDING LED MODE BUTTON FOR LED DISCO LIGHT 3.7V/3600MAH LITHIUM BATTERY TWEETER:PIEZO WOOFER: 8" POWER SUPPLY: 110-240V,50/60Hz OUTPUT POWER:25W RMS SENSITIVITY:83dB±3dB BOX SIZE:315×337×410 MM COLORS: BLACK