The Logitech Ergo M575 Wireless Trackball Mouse is an ergonomic and programmable device with five buttons and a maximum DPI of 2000. It has dual connectivity options, wireless and Bluetooth, and is rechargeable with an on/off switch. The trackball is designed for right-handed use only and has adjustable DPI. The product comes in a black color and measures 5.28 inches in length, 1.89 inches in height, and 3.94 inches in width.