Even today it can be an advantage to save a usb port on some systems.
Trackball marble fx.
I never really logitech trackman marble fx the hang of using mice but logitech or other vendors somehow never came up with a suitable replacement model for the marble fx logiech a usb port.
This made it a lot less akward for me to use than other trackballs especially for more precise movement.
New vintage logitech trackman marble mouse 910 000806 sealed nib ships free.
Logitech t ch11 trackman marble wheel mouse ps2 tested vintage.
The logitech cordless trackman fx optical trackball solves this problem by placing the ball between your thumb and fingers allowing you to be able to use either your thumb or your fingers to control the pointer.
In the years since it trafkball developed a cult like following.
Ambidextrous trackball design a trackball design with a long broad palm area and gentle curves keeps your hand comfortable and supported all day whether you use your right or left hand.
Solid and well built the trackman marble fx has a large eye catching red marble.
Logitech trackman marble fx trackball.
Fast accurate control is right at your fingertip with smooth tracking marble optical technology.
Those with small hands may find it hard to reach the left click mouse button making double clicking tricky.
Its weight and rubberized bottom keep it from sliding on your desk and the curve of the mouse fits most hands except lefties.
Double click the drag lock button and a mode led blinks on that button and it switches from being a mouse to a trackball.