PC speaker with clear sound and powerful (12W peak power) Rich Stereo Sound: Multimedia speakers fill rich, balanced stereo and clear acoustics for a room-filling sound. USB-powered, no wall power needed. You can plug them into any USB power source, like PC or laptop usb ports Audio input via 3.5mm jack cable Easy Access: With the on/off and volume control functions integrated into one simple knob on the front of the speakers, you can control these 2.0 stereo speakers with just one button. Stylish design, the speakers are made of high-quality materials that ensure a long life and protection against wear Microphone input Headphones output to listen in total privacy Compact design: fits perfectly on both sides of the computer and occupies no extra space on the desk. “Plug & Play” installation