From the Manufacturer
2.1 Channel Computer Speaker System
The S-MM751RU speaker system features 2 satellite speakers and a subwoofer to provide your home office or bedroom computer with a big sound upgrade. Perfect for music, movies and gaming, this system has plenty of power to handle it all. An included control puck gives you playback/volume control and even lets you connect other sources via USB, SD, etc… to bypass your computer altogether.