Unique tone level accords with the acoustic aesthetics design principle, and the voice is soft and clear.Simple and fashionable appearance. Enhanced stereo bass, loud volume and high quality sound for a room-filling sound. Universal USB and 3.5mm interface perfect for all kinds of computers and cellphones. Turn on the desktop speakers and turn up the volume with a simple control on the speaker data line for quick access. Plug And Play: USB Powered and 3.5mm Audio Input,Just plug the USB cable into your device or the power supply and plug the 3.5mm jack into your audio device and not need drives.