LED's color: RED、BLUE、GREEN、PURPLE、PINK、WHITE (color is adjustable、 can be controlled by your setting、 can be set as one color or Gradient change color) Ball's size: Diameter 8cm String's size: 50cm (can be adjusted by yourself) Power switch: orange button on the ball LED light's life: Continuous use about 3 hours include: 2 LED Poi 、2 sting、 ( no battery) Please check the size very careful before you bid!