Jertech Rival S5 choose from 16.8 million colors and pre-set lighting effects to personalize your listening experience, or take immersive gameplay up a notch with ambient lighting that reacts to your every move. Jertech Teana S5 is a portable USB powered speaker built in sound amplifier designed for mobile gaming and music. it is tiny but mighty sie giving you the best and clear sound quality by digital amplification and bass resonance membrance on the bottom with low-power consumption for longer mobile music experience. Specification: - Input Power: USB 5V - Input Audio: 3.5mm audio interface - Output Power (RMS): 2*5W - Speaker Size: 2*2.5" - Frequency Range: 100Hz-20KHz - Signal to noise ratio: 75dB - Speaker resistance and power: 4 ohm 5W - Channel separation: 60dB - Impedance: 4 ohm - Long Cable : 1.2 M System Configuration - Computer USB 2.0 or 1.1 jack - Computer with audio output - Computer system sound card - Hot-plug is no need software drivers