... Speaker System 1.Built-in USB,SD jack 2.High sensitive mic 3.Speaker:10" woofer,horn tweeter 4.RMS power: 120w Portable Speaker ... portable ,clear and loud sound reproduction ,well suited for any PA application,in cluding home Karaoke ,education ,seminas ,business conferences ... ,wedding ceremonies ,paties and any occasion requiring a PA amplifierKey Features:1.Huge output power around the range of ...