Rechargeable color changing mini speaker plays audio from iPod, computer, handheld game systems and other audio devices equipped with 3.5mm audio jack. Four LED colors - blue, amber, green and red. Color fade and favorite color modes. Collapsible speaker fits in your palm for ultimate portability. Speaker contains built in amp powered by rechargeable battery. Includes speaker cable with USB plug for charging speaker. Vacuum bass design for enhanced low frequency response and sound beyond size. Travel pouch included.