Inductive Rainbow Color Changing Magic Cup Assorted

It Is To Show The Glare Of The Colorful Led 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.Light Is On When The Cup Is Filled With Liquid, Flicking Rhythm Is Changeable Automatically. And Light Is Off When There Is No Liquid In.