USB Powered Computer Speakers – Wired Stereo Desktop Speakers for Computer, Laptop, PC

Notes Before Use:1.Volume knob on the front makes it easier to control the volume.2.Need to plug the USB power cable and 3.5mm audio cable simultaneously when using. 3.The power adapter is not included in the package.4.No built-in headphone jack and microphone jack on this computer speakers.5.Electronic devices such as cellphones are too close to the desktop speaker may have a slight electric current.