1/2M0820C1 ELECOM IST Trackball Mouse, Tested, Elecom Trackball Mouse IST, 36mm Ball, Thumb Operated, Bearing Support, Wireless 2.4GHz, 5 Buttons, M-IT11DRBK, M-IT11DR, Bearing Model The product has some scratches and dirt. Batteries are not included. Everything in the photos is included. Please understand that this is a used item before purchasing. Operation has been confirmed. ※Attention ・If you are purchasing from Hokkaido, Okinawa, or other remote islands, please contact us in advance as we may need to change the shipping method. If you purchase without contacting us, we may have to cancel the order, so please confirm before purchasing. 【Request to Buyers】 Please refrain from purchasing if you are sensitive to details. Everything in the photos is included. There may be some color differences between the photos and the actual product due to lighting conditions, but please understand. We have checked the item visually, so there may be some overlooked areas. Please understand this before purchasing. Thank you very much★