Logitech TrackMan Portable Mouse T-SP3 PS/2 Trackball Compact Travel Dark Gray

Logitech TrackMan Portable Mouse T-SP3 PS/2 Trackball Compact Travel Dark Gray

The Logitech TrackMan Portable T-SP3 is a compact PS/2 wired trackball mouse designed for use at a desk or on the go. Rather than moving the entire mouse, the user rolls the large integrated ball with the thumb or fingers to control the cursor — a format that requires very little desk space and reduces wrist movement compared to a standard mouse. The two-button layout and folded, palm-friendly housing made this a popular choice for laptop users and travelers in the 1990s.

Specifications & What's Included

• Brand: Logitech
• Model: T-SP3 (MPN: T-SP3-6MD)
• Type: Wired PS/2 Trackball Mouse
• Interface: PS/2 (Mini-DIN 6-pin)
• Number of Buttons: 2
• Power: 5V DC, 10mA (bus powered via PS/2 port)
• Color: Dark Gray / Black
• Form Factor: Compact / Travel
• Country of Manufacture: Taiwan
• Certifications: FCC, CSA, GS, UL
• Includes: Trackball mouse with attached PS/2 cable — no original packaging or documentation

Applications

The TrackMan Portable T-SP3 dates from the mid-to-late 1990s, when PS/2 was the standard mouse interface on desktop PCs and many laptops. Trackball mice were especially popular for travel and confined workspaces because they don't require a flat surface to move across — only the ball itself moves. This model was bundled with some Compaq systems and sold separately as a portable peripheral. Today it is primarily sought by collectors of vintage Logitech peripherals, users maintaining legacy PS/2-only systems, and hobbyists who prefer the classic trackball ergonomic style. It connects directly to any PS/2 mouse port, and with a PS/2-to-USB adapter it can also work with modern systems.