... connection,high quality voice,beteaful outlook SN-403 PMMA Computer sound box:Magnetically shielded:Unique cabinet noise reduction features ... smooth workmanship,elegant and high-grade.Built-in blue lights is the fashionable choice for a family.Wire-control ... -B speakers, sound pure,Crystal clear appearance, built-in blue lights, fashion personality, small sizeInput PowerUSB power supply ~ 5V, 500MA ...