This is a portable finger hand-held 4D Usb mini trackball mouse with off-table design for free and comfortable operation. It is ideal for laptop users.
- It can be operated in various ways to ensure long-term use without harm to wrist or muscle
- No limitation of operational space
- Avoid sitting closely to the monitor and reduce the harm of radiation and eye fatigue
- Plug and play ,no software required
- Fits left and right handed users
- Compatible with Windows95/ 98/ 2000/ ME/ XP/ NT
- Unit Dimensions: 3.15 x 2.05 x 1.97 inches (8 x 5.2 x 5cm)
- USB Cord Length: 73inches (186cm)
- Color : Black
How To Use:
- Put your index or middle finger into the hole of this mouse.
- Control the track ball for moving cursor and press the right and left button with your thumb
- When using "Drag and Go" function, press the button in the hole of the mouse that has the same function as the left button of the common mouse
- Use the left button to lock the screen and then you can control the track ball to roll your screen freely
- 1 x Hand Held 4D Usb Mini Trackball Mouse