Our Features: We are an after-sales service provider for robot vacuums and cordless vacuum cleaners from various manufacturers sold on Amazon. We sell outlet items and sample products at discounted prices. All products are serviced and cleaned by our store, so you can rest assured. All products purchased at the prices displayed in our store come with a 3-month free warranty. Returns are not accepted after purchase. Shipping costs for repairs are the responsibility of the customer. 【Product Rank】 A+: Condition with no signs of use. A: Condition that can be determined as unused, but some scratches or stains may be visible. B: Considered used, but some signs of use, scratches, or stains are visible. C: Considered a general used item, with signs of use, scratches, and stains visible throughout. More signs of use than B rank, with scratches and stains visible throughout. ※ Ranks A to C are considered used items. Please be sure to check the product images and product details/descriptions. Rest assured, we will re-check the operation before shipping.