This jewelry display base has USB power supply and battery power supply design. Simply to use, 360 degree rotation, stable velocity, and can be applied for a long time. Suitable for display your watches, bracelets, etc. beautifully, protecting your jewelry and accessories from any form of damage or wear. Features -Material: Plastic -Power supply mode: battery or USB charging. -Voltage: 5 V. -Note: Battery is not included. (3 x AAA battery) -The electric display stand is labor-saving and time saving, it will be your choice. -Widely use application, suitable for jewelry, watches, purse, handbags, digital product, shampoo, etc. -Fine workmanship, simple fashion, practical and versatile, will serve you very well. -Forward rotation and reverse rotation function, set the reciprocating rotation function according to the rotation angle. -Made of high-performance plastic material, and practical, which has a . Package list: 4 x Display Stand 20 x Background Plates 4 x USB Cable