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The Trackman Wheel Optical (model T-BB18 / part number 804360-1000) is a wired trackball mouse with thumb-operated ball control and a scroll wheel — designed to reduce wrist movement and offer ergonomic comfort, especially for prolonged computer use.
Key features:
Trackball control: Cursor is moved by rolling the ball with your thumb — no need to move the whole mouse.
Scroll wheel: Integrated wheel for vertical scrolling and middle-click functionality.
Ergonomic shape: Sculpted for right-handed use aiming to reduce wrist fatigue.
Connectivity: Typically USB (often with PS/2 adapter included on older units).
Buttons: Typically 2–3 buttons plus scroll wheel.
Compatibility: Works plug-and-play with many systems, though modern OS support may be basic without updated drivers
Tracking Technology: Optical (thumb‑ball with optical sensors)
Tracking Method: Optical trackball (smooth precise control without moving the mouse body)
Ball Diameter: ~34 mm (thumb‑ball size)
Estimated Maximum DPI/Resolution: Around 1000 DPI (varies by source)
Number of Buttons: 3 total (Left click, Right click, Scroll‑wheel click as middle button)
Scroll Wheel: Yes (integrated scroll wheel for scrolling)
Programmable Buttons: Supported via Logitech button software on older OS (limited modern support)
Ergonomics: Sculpted right‑handed ergonomic shape designed for thumb trackball use
Typical Dimensions: ~5.9″ × 3.5″ × 2.4″ (exact OEM specs may vary by listing)
Weight: Lightweight, typical for wired optical trackball (exact weight not widely published)
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