Optical Sensor technology
• Sensor Resolution: 300
• Interface: USB / PS2
• Number of buttons: 4
• Supported OS: Windows Vista, Windows 7, Windows 8, Windows 10, Mac OS X 10.5 or later, Chrome OS http://lefthandemporium.com/wp-admin/users.php
Logitech TrackMan Marble
Superior comfort for either hand
Right handed? Left handed? Either way, TrackMan Marble keeps your hand comfortable and supported day and night, no matter how long you’re at the computer.
Smooth control at your fingertips
With a large fingertip-controlled trackball, you can move the cursor quickly, smoothly and accurately—without moving your hand or wrist. TrackMan Marble stays in one place so you can stay comfortably in control.
High reliability and performance
Logitech makes more trackballs than anyone in the world. You can buy TrackMan Marble with the confidence of knowing you’re getting proven performance, quality and reliability.
Highlights
• Ambidextrous design
• Fingertip-based control helps reduce hand and wrist fatigue
• Exceptional comfort for long hours at the computer
• Forward/back buttons for fast web surfing
• Patented Marble optical technology for smooth tracking
Comfortable ambidextrous design
The long, broad palm area and gentle contoured shape provide maximum support and comfort for either hand—ideal for anyone who spends long hours working at the computer.
Convenient web surfing buttons
Two control buttons make it faster and easier to move forward and backward when you’re surfing the web. (Requires Windows-based PC)
Fast fingertip-based control
Enjoy quick, precise cursor control with just the move of your finger.
Patented Marble optical technology
Logitech’s patented sensor technology gives you smooth tracking on almost any surface so you can be productive wherever you work. (Does not work on clear glass or mirrors)
Stable base
The stay-put base keeps your trackball—and your hand—in one place, helping to reduce wrist fatigue. Plus it saves desk space since you don’t need room to move around the device in order to move the cursor.
Large trackball
The larger size of the trackball makes it easier to control the cursor with less movement of your hand, delivering a great combination of long-lasting comfort and precision.