Six functions:1. True colors: present the accurate colors perceived by the human eye2. Comfortable vision: anti-reflection coating, relaxing eyes, comfortable vision3. Easy to clean and durable: present the accurate colors perceived by the human eye4.12 layers of baking varnish: small and exquisite without taking up space5. Silent operation: silent design, effectively preventing disturbing sleep, safe and light6. Low consumption: present the accurate color perceived by the human eyeProduct manual:Name: Automatic WinderStyle: black leather single watch watch boxSize: 20*18*18CMMode: forward rotation for 2 minutes, stop for 6 minutes, reverse rotation for 2 minutes, stop for 6 minutes, cycle. Per minute (6.5-8.5 revolutions)Packing list: Winder * 1prevention:1. The manually measured size may be wrong, the actual size should be based on the actual object.2. Due to different lighting and shooting conditions, the color of the image may be different from the actual product, please refer to the actual product.