Trackball Mouse 4d, Compact Mini Wired Model for Computer Laptop

Package List 1 * Portable Finger Handheld 4D USB Powered Mini Trackball Mouse (Black) Features - Easy to use: fit for left or right hand, or cradled between both Trackball mouse . - Material: durable hard plastic 4D mouse. - Color: mainly black. - Compatible with Windows 95/ 98/ 2000/ ME/ XP/ Mini trackball mouse. - Features 3-button design with thumb-controlled trackball USB mini mouse. - Mini size, light weight and easy to carry Mini mouse. - 4D page scrolling function can be controlled simply by your thumb. 4. Use the left button to lock the screen and then you can control the track ball to roll your screen freely. 3. 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 mouse. - Off-table design and without limitation of operational space, and comfortable operation. 2. Control the track ball for moving and press the button with your thumb. - USB 2.0 interface, , no software required - and Portable Finger Handheld 4D USB Powered Mini Trackball Mouse. - for laptop and desktop users. How to Use Goods Description 4D mouse It supports , no software required.Mini mouse 4D page scrolling function can be controlled simply by your thumb.Mini trackball mouse The item is a portable finger hand-held 4D USB powered mini trackball mouse, which is designed with off-table design and comfortable operation without limitation of operational space, and for laptop users.USB mini mouse Therefore, it is really a wonderful 4D USB mini trackball mouse for choice