entre ET-100 - Silver DescriptionOperation checkThere is no problem in operation.The criteria for the operation check columns are based on our companys certain standards for handling audio products.In the unlikely event of an initial defect, please contact us for a free return within 30 days of receipt of the product.AccessoryOriginal box PackagingWhen exporting overseas, we will ship the product in reinforced cardboard boxes to prevent damage during transportation. If the product comes with its original box, we will ship it with the original box protected. PrecautionsWhen using the product, please check the voltage supported by the product and the voltage in your area carefully. If the voltage is different from the product specifications, not only will the product not function properly, it may also damage the equipment. About Handling TimeShips within 5 business day.Please note that Saturdays, Sundays, and holidays do not count as business days.About Shipping PolicyWe ship via FedEx, DHL or Japan Post.International Buyers - Please Note:Duties, taxes, and fees are not included in the product price or shipping cost. You are responsible for paying any duties, taxes, or fees that may be incurred when importing products into your country. We also recommend that you check with your customs office in advance of your purchase to determine how much these additional costs will be.