Technical Pro BLUET40-RD Powered Bluetooth Loudspeaker, Red 160 total watts rms all channels driven at 1.0% THD at 8ohms, Inputs: RCA, Outputs: RCA, Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device Features Bluetooth v2.0 with EDR, Bluetooth (2.4 GHz) technology, Bluetooth Range: 30 Feet System Consists of One Main Speaker and two Satellite Speakers, Main Speaker Cabinet contains two 4" woofers Satellite speakers each contain one 3" woofer and one tweeter, Frequency Response: 20Hz-20KHz Bass, Treble and Volume Controls, 110/220v, Dimensions: 9.75" x 18.625" x 8.375", 3 Prong Cord Length: 50"