seven color gradual change Portable speakers *Seven-color gradual change LED ... key to switch mo seven color gradual change Portable speakers*Seven-color gradual change LED light, and ... Can be used with computer, notebook, MID,MP3/4/5,portable DVD,mobile, etc. *With USB port and SD ... 87.5-108MHz *FM sensitivity ≤20dB *Dimension 155*155*190mm *Weight 380K Seven Color Gradual Change Portable Speakers