Package Includes: We provide you with 3 pieces of automatic rotating cup display stands, with 3 pieces of USB cables; The diameter of each display stand is 80mm/3 inches; Please note that the package does not include batteries. Reliable Material: Our cup display stands are made of quality materials, the bottom is ABS material, and the top is smooth mirror glass, which is powerful enough to rotate 20 oz, 30 oz, 40 oz, or other sizes of 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, to the right for high speed, and the switch in the middle is off. Dual Power Source: The 360-degree rotating display stand has a dual power source, 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 with a USB charging cable. Multiple Uses: These rotating crystal display bases can be used to display glitter tumbler cups and decorations at home, which can also be used to display other crafts, such as crystals, watches, necklaces, rings, models, and more; This is an ideal gift to send to your important person as a birthday gift, Mother's and Father's Day gift. Features: Multifunctional Design: These cup display bases have dual power sources and dual speed modes. Easy 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 used for a long time. Multiple Uses: These rotating crystal display bases can be used to display glitter tumbler cups and decorations at home, which can also be used to display other crafts, such as crystals, watches, necklaces, rings, models, and more. This is an ideal gift to send to your important person as a birthday gift, Mother's and Father's Day gift. Specifications: Material: ABS, Glass Color: Silver base Diameter: 80mm/3 inches Package Includes: 3 x Cup display stands 3 x USB cables