High Power Output - The Xtream S4 USB Desktop Speaker packs with 5w*2 large dual drive unit. High quality sound lets you indulge in the sea of music. Brings sound to life for a fantastically dynamic Audio experience. Plug & Play - The computer speaker is USB powered, The sound bar speaker is easy to install, simply connect the USB to your computer and you can start using it. Built-in USB Stereo Sound Chip - The Xtream S4 has a built-in sound chip, allowing direct plug-and-play with a simple USB connection and eliminating the need for separate audio connection. The speaker delivers clear and crisp stereo sound. Wide Range Compatibility - Compatible to any PC, laptops, chromebooks, etc. Mini and compact, portable easy to carry music anywhere.