Adesso iMouse T50 - 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…
• Its ergonomically contoured 2" large size trackball and adjustable leg stands further completes its…
• 25" Large Trackball with Optical Sensor - Tracks accurately and precisely with less muscle…
• Removable Trackball - Allows for Easy Cleaning