Wired mouse with a trackball for comfortable operation. The item has been opened to check the contents. ELECOM Trackball Mouse Wired 36mm Ball Thumb 5 Buttons M-IT11URWH Although it is a new item, please note that the outer package may have some scratches, scuffs, or stains due to being stored at home. - Brand: ELECOM - Model: M-HT1UR series - Type: Wired mouse - Number of buttons: 5 buttons - Trackball diameter: 36mm - Cable length: 1.5m / 5ft Thank you for viewing.