GOgroove 2.1 PC Speakers System with Subwoofer SonaVERSE LBr - USB Powered with 3.5mm AUX Audio Input, Bass/Volume Control Knobs, 11W RMS - Compact Size Ideal for Laptop, Small Desk 3W SATELLITE SPEAKERS with a powerfully-loaded subwoofer create clear sounding audio and a loud punch for their compact size, which make a perfect upgrade over built-in PC/monitor/TV stock speakers USB POWER cord & the AUX 3.5mm audio input maximize compatibility and portability so the speaker system is easy to install or can easily travel with you VOLUME/BASS CONTROL knobs on the front of the subwoofer unit give you easy-access customization over volume and bass EQ fine-tuning to achieve your preferred sound profile SPACE SAVING DESIGN allows for a variety of situations where bigger and more expensive sound systems do not make sense TECH SPECS: 3 Year Manufacturer Warranty | Output: 11W Total RMS / 22W Peak | Drivers: 2 x 3W Satellite / 5W Subwoofer | Freq. Response: 150Hz-20KHz | Input Power: USB DC 5V