Package includes: we provide you with 2 pieces of automatic revolving cup display stands, with 2 pieces of USB cables; The diameter of each display stand is 80 mm/ 3 inch; Please notice that the package does not contain batteries Reliable material: our cup display stand turners are made of quality material, the bottom is ABS material, and the top is smooth mirror glass, which is powerful enough to rotating 20 oz, 30 oz, 40 oz or other size glitter tumblers 360 Degree rotation: these rotating crystal display bases can be rotated 360 degrees, and there are 2 speeds to choose from; Adjust the switch to the left for low-speed mode, to the right for high-speed mode, and the switch in the middle is off Dual power design: the 360 degree rotating display stand has a dual power supply design, and can be powered by 3 AAA batteries (batteries not included) or use a USB cable; It can be connected to a laptop, USB charger, and power bank by a USB charging cable Multiple usages: these rotating crystal display bases can be applied to display glitter tumbler cups and decorations at home, which can also be applied for displaying other crafts, like crystals, watches, necklaces, rings, models, and more; This is an ideal gift to send to your important person as a birthday, mother and father's gift Features: Multi-functional design: These cup display bases have dual power supply design and dual speed mode. Simply to use, you can choose the appropriate charging mode and speed according to your needs. They have 360 degree rotation, stable speed, and can be applied for a long time. Multiple usages: These rotating crystal display bases can be applied to display glitter tumbler cups and decorations at home, which can also be applied for displaying other crafts, like crystals, watches, necklaces, rings, models, and more. This is an ideal gift to send to your important person as a birthday, mother and father's gift. Specifications: Material: ABS, glass Color: silver base Diameter: 80 mm/ 3 inch Package includes: 2 x Cup display stand turners 2 x USB cables