This jewelry display bases have USB 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, protect your jewelry and accessories from any form of damage or wear. Features - Material: ABS. - Size: 13.70X13.70X3.50cm/5.38X5.38X1.38in. - 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 , 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 ABS material, and practical, which has a . Specification - 1.Power ON: touch any keys. - 2.R/L: to clockwise or counterclockwise. Short press operation. - 3. : speeds regulation, 2r/4r/ /min. Short press operation. - 4.ASA: angle regulation, 45°/90°/180°/360° circulation. - 5.IN 5V: MicroUSB 5V DC IN. - 6.Power OFF:long press any keys for 3 seconds. - 7.1865 lithium battery or 3 AAA battery(not include). - 8.Charge LED indicator(built-in): red-charging, green-fully charged. - 9. There are four power supply modes to choose from: USB direct plug power supply (included), USB power supply connected to power bank (not included), three ordinary AAA (not included), rechargeable lithium battery power supply (not included) ). Package list: 2 x Storage Holder 2 x USB Cable