Room-filling Sound Equipped with dual 7W drivers and 2 bass diaphragms, powered by AC adapter, Bluedee computer speakers for desktop provide robust sound and enhance bass reproduction. You can freely switch between bass or balance mode for different needs by the mode button. Hi Fi Stereo Computer Speakers With anti-noise technology, Bluedee computer sound bar with HD full-range speakers is specifically designed for the optimal listening experience. Vocals, instruments, and sound effects are detailed, which will make you fully indulging in your movies or video games.