ELECOM PC Speakers USB Volume Mute Maximum Output 72 X 74 X 82mm - Connection, Control, Function, 5W, Compact, Black, MS-P08USB2BK,

These are 2.0ch stereo speakers with a maximum effective output of 5.0W. They can be easily enjoyed by connecting them to your computer's USB-A port. This USB audio input type allows you to easily enjoy stereo sound using just one USB port on your computer. It employs a φ50mm round full-range driver to achieve a well-balanced and stable sound. It has a built-in amplifier and comes with a "volume controller" that allows you to easily adjust the volume at your fingertips. The volume controller features a mute button that allows you to turn off the sound while the device is still connected.