I'm not sure if this is the YD-401, please see the images. The strings are broken. As this is a used item, I cannot answer questions about the purchase date or frequency of use. I do not have expert knowledge, so I may not be able to answer your questions. Hello! Thank you for viewing our products! All of our products are one-of-a-kind! "First come, first served!" Please buy it! In addition to this product, we sell Korean-style fashion, women's and men's apparel for spring, summer, autumn, and winter seasons, as well as brand-name items, handbags, shoulder bags, and other apparel products, so please follow us if you like! We are also offering a follower discount!!! ☆☆Follower Discount☆☆ If you are a follower, please comment before purchasing and we will give you a further discount! 【Product Condition】 *This is only a visual inspection. 【Product Size/Color】 Color: Tag size: 【Other】 We welcome price negotiations. Please comment once. If you have any other questions, please comment. We are looking forward to your purchase! ●This is a used item, so it is not in perfect condition. This is a subjective listing. We appreciate your understanding. ●Please note that the color may differ from the actual product depending on your smartphone model. ●Please refrain from purchasing if you are nervous. Used Goods Dealer Kyoto Prefectural Public Safety Commission No. 612222130040 Our store has obtained a used goods dealer license and We are responsible for selling only "genuine" items!! If, by any chance, we miss something, We offer a 100% return and refund guarantee! ●We recognize that there are no authenticity issues because we purchase from the used brand market that has been authenticated. In addition, we also conduct authenticity inspections. In the unlikely event that it is a fake, we will provide a refund, so please rest assured. ●Some products have been repaired to provide better quality. Please understand this before purchasing. #fashion #apparel #season #skirt #outerwear #stylish #pants #longT #miscellaneousgoods #ladies #mens #brand #coat #bag #bag #brand #accessories