Features 1、PU Leather Plastic: Made of PU leather on the outside and durable plastic on the inside, this single watch automatic winder is made of excellent materials, ensuring long lasting durability. 2、Multiple Rotation Modes: Equipped with a quality motor and 5 rotation modes, including different directions and intervals, to meet the winding needs of different automatic watches. 3、Convenient Power Supply: Equipped with USB Type C cable, convenient and practical power access (voltage: 100‑240V, 50/60HZ, 0.3A), can be directly plugged into the phone charger. 4、Ideal For: Perfect for those who wearing watches, this automatic winding device ensures that your watch is always accurate and easy to wear, can be used as a birthday gift to your friends. 5、Compact Design: Automatic single watch winder adopted rectangular shaped design, with a size of 16.3 x 11.8 x 11.8CM, suitable for storing and maintaining your watch in any style. Specification Item Type: Automatic Single Watch Winder External Material: PU Leather Internal Material: Plastic Size: Approx. 16.3 x 11.8 x 11.8cm / 6.42 x 4.65 x 4.65in Voltage: Equipped with USB C Cable (Applicable Voltage: 100-240V, 50/60Hz, 0.3A) Global Use, can be directly plugged into a phone power adapter Package List 1 x Watch Winder 1 x USB C Cable 1 x USB C Adapter 1 x User Manual (in English and Chinese) 1 x Cleansing Cloth 1 x Storage Bag