Microsoft Ergonomic Mouse Model 1923 RJG-00001 in Black. This is a wired USB mouse.Condition: New --Factory sealed. See pictures for more details.**I have a 2 day handling period. I try to ship items next day but if you need something sooner please message me and I will do my best to accommodate. Items pass through a cat friendly home. I do my best to keep them away from inventory but sometimes they manage to evade me. Combined shipping may be available. I recycle shipping material when possible.**Returns are accepted within 30 days with Buyer paid return postage. Items must be received in the same condition before refunds can be processed.I do my best to accurately describe items and include detailed pictures of the actual item being sold. I try to be detailed but I am human and do not claim to be an expert in any field. Most items I sell are pre-owned or older stock. Items may have minor imperfections from use, age, or storage that might not be visible in the pictures. Also keep in mind that colors vary in different lighting and from screen to screen. Items are sold AS-IS. If you have any questions or concerns please get in touch with me before purchasing. I am happy to provide additional information or pictures.