Two speakers and a subwoofer use AFM Technology for a total 2.1 sound immersion experience * Built-in radio wireless receiver and included wireless transmitter work with any source with RCA outputs; optional RCA cables included * Ergonomic backrest made of breathable mesh fabric keep you cool for hours of gaming and music marathons * Separate controls for volume and base allow control over your sound experience * Great for mobile gaming, listening to music, watching TV, reading, and relaxing