Logitech TrackMan Marble Wired Ambidextrous Trackball Mouse (910-000806)

About:

The Logitech TrackMan Marble Wired Mouse features a large trackball and patented Marble Optical Technology for fast, accurate, comfortable control at your fingertips.
A versatile and reliable mouse for working and gaming, the Logitech TrackMan Marble Wired Mouse features plug-and-play setup, ambidextrous design, and easily customizable buttons. The large marble trackball lets your fingertips do most of the work, while the mouse body stays put on your desk. The built-in optical sensor delivers smooth tracking, translating frictionless trackball movements into cursor movements on your computer.

Features:

• Sleek ambidexterous trackball mouse
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  Fingertip control for fast, accurate cursor movement
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  Smooth tracking with 300 dpi sensor
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  Plug-and-play USB connection
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  Large trackball that improves control while reducing hand and wrist motion
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  Customizable buttons for easy access to key tasks
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  Trackman marble mouse
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  Optical scrolling
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  Interface: USB and PS/2
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  The ultimate in comfort and trackball performance
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  Optical technology for exceptionally smooth tracking
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  Fast cruise-control scrolling
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  Convenient drag-lock technology
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  Comfortable, curved design