The Adesso Mini Trackball keyboard, combined with an integrated optical trackball, gives users control of their desktop. The integrated optical trackball delivers superior precision and smooth motion with virtually no maintenance or cleaning required. Measuring less than 12” wide and equipped with an embedded numeric keypad, the keyboard is a great space saver for desktops in homes or offices. It is ideal for use in POS, kiosks, warehouses, manufacturing environments or in any small working area. Built-in optical trackball providing superior accuracy and smooth motion The integrated trackball eliminates the need for a mouse and saves valuable desk space. With its 800 DPI resolution, the optical trackball provides superior accuracy and smooth motion, requiring minimal hand movement and virtually no maintenance Less than 12” wide for space saving The mini size keyboard is less than 12” wide, and is an impressive space saver for desktops in homes or offices. It is ideal for use in POS, kiosks, warehouses, manufacturing environments, or in any small working area. Membrane keyboard for fast and quiet typing The membrane key switch features more than a five million lifecycle, and is designed with a silicone rubber material, which can reduce noise when typing, offering a faster and quieter typing experience.