USB Powered & One-Knob Operation: The speakers for pc have no built-in battery, just plug the USB plug into any power source then it will turn on automatically. All functions of the USB speaker are operated simply by the knob on the side.
The Advantages: The special cavity design and luxury configurations of Nylavee desktop speakers not only bring a deep and powerful bass but also a clear and rich high-pitch performance. Perfect computer sound bar for bedroom