Package List
1 * Portable Finger Handheld 4D USB Powered Mini Trackball (Black)

Features
- Easy to use: fit for left or right hand, or cradled between both Mini wired.
- Off-table design and without limitation of operational space, for free and comfortable operation USB trackball.
- Material: hard plastic Trackball.
2. Control the track ball for moving cursor and press the right and left button with your thumb Trackball Mice wired.
- Mini size, light weight and easy to carry roller ball.
3. When using "Drag and Go" function, press the button in the hole of the that has the same function as the left button of the common wiredTrackball.
- 4D page scrolling function can be controlled simply by your thumb wired trackball mice.
- Compatible with Windows 95/ 98/ 2000/ ME/ XP/ Trackball Mice.
- USB 2 Handheld Finger USB.
- Color: mainly black Optical Travel DPI Mice.
- Features 3-button design with thumb-controlled trackball USB mini.
- for laptop and desktop users 4D computer.
How to Use Trackball wired
- and Portable Finger Handheld 4D USB Powered Mini Trackball computer with ball.
1. Put your or middle finger into the hole of this ergonomic trackball.
4. Use the left button to lock the screen and then you can control the track ball to roll your screen freely trackball.

Goods Information
Trackball Mice wired The item is a portable finger hand-held 4D USB powered mini trackball , which is designed with off-table design for free and comfortable operation without limitation of operational space, and for laptop users.USB trackball Therefore, it is really a wonderful 4D USB mini trackball for choice.trackball gaming 4D page scrolling function can be controlled simply by your thumb.wired trackball It supports plug and play, no software required