Automatic Single Watch Winder: PU leather pattern outer materials, inside the use of bead velvet design, full of texture. Two Powered Modes: You can charge it with our charging adapter (US Interface), also can prepare 2 x AAA batteries (Batteries not included) to work with it. Battery and the adapter cannot be used at the same time,otherwise the motor will be burned. Watch Box Display:Winding box for single watch, 6.5-8.5 revolutions per minute. Extremely Quiet: This automatic watch winder box is powered with super silent motor, rotating your watch quietly and safely. Both artistic and practical: As an exquisite decoration, perfect for personal use, also as a gift for Birthday, Anniversary, Thanksgiving, Christmas or celebration day. Specification: Material: PU Leather + Inner Velvet Size: Approx. 12x13x16CM/4.72x5.12x6.30inch Package Includes: 1 Piece Automatic Single Watch Winder (With Adapter) 1 Piece Adapter (US Interface) Note: 1. Please allow 1-3cm error due to manual measurement. 2. When you are using the adapter, please ensure that you have totally taken out the battery from the device,Otherwise it will be burned out of the motor. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it