The Polaroid U228 USB Powered Speakers delivers Amazing Bass Quality (AAS) for great sound. Use the 3.5mm signal line to connect these speakers to a PC, notebook, MP3/4 and CD player. In-line volume control on these Polaroid U228 USB Powered Speakers give you control at your fingertips. Blue lighting on bottom base offer ambient lighting for your work area. Get these Polaroid U228 USB Powered Speakers today!