Smartclean drive case with built-in stainless steel, black and simple design. - Brand: Smartclean - Color: Black - Material: Built-in stainless steel - Warning Label: Label with usage instructions The purchase date is unknown. I don't think it has been used even once, but the product condition is listed as no noticeable scratches or stains. The only included accessory is the AC adapter. The instruction manual seems to be lost. As of July 14, 2025, the power and operating sound have been confirmed. I will reconfirm the operation, so please comment before purchasing. I will pack it carefully, but please note that I cannot accept returns or refunds for malfunctions after arrival.