The Quantum QHM 6200 Wired Desktop Speaker will take your entertainment to the next level. It includes two satellite speakers and one subwoofer that work together to provide crystal clear sound and powerful bass. This speaker can be connected to your PC or laptop using the USB plug. It comes in a trendy colour scheme that can look great in most home interiors. Wired, Configuration: 2.1 Channel, Subwoofer: 1, Power Source: Battery, AC Adapter. USB Ports: 1, Laptop/Desktop Speaker, Control Buttons: Volume +/-, Mute.