The ELECOM DEFT PRO 1500 DPI Wireless Trackball Mouse in black is a high-precision pointing device designed for right-handed users. It features a thumb button, programmable buttons, adjustable DPI, and an ergonomic grip for comfortable use. The optical tracking method ensures accurate cursor movement, while the on/off switch allows for easy power management. With both wireless and wired connectivity options, this trackball mouse is perfect for use with computers, tablets, and other devices.