This is vaunting, this is cool! No matter where you are in include the bar, discos, or dinner party, or romantic candlelight dinner.
It is to show the glare of the colorful lights when Raising your hand. When the drinks, also glow glaring light colors,That is a kind of charm and mysterious, even the stimulation of fresh feeling.
The cup likes a magic-box, you are a magician. The cup will appear different color,when you poure liquid (water,drink,alcohol etc) into it. If no liquid, the light will be off.
Flicking rhythm is changable automaticly.
two batteries are at the bottom.