Adesso iMouse T30 - Wireless Programmable Ergonomic Trackball Mouse — computers, electronics, china.

• Meet one of the newest models of the Adesso Trackball product line, the Adesso…
• With its 5 levels of DPI resolutions (400-4800), the optical trackball provides superior accuracy…
• 25" Large Trackball with Optical Sensor - Tracks accurately and precisely with less muscle…
• Programmable Driver - Easy-to-use user interface allows for full customization within seconds
• Removable Trackball - Allows for Easy Cleaning