Portable Mini Finger Hand Held 4D USB Wired Trackball Mouse for Laptop Mac Window Computer Fits Left and Right Handed Users -Black

Portable Mini Finger Hand Held 4D USB Wired Trackball Mouse for Laptop Mac Window Computer Fits Left and Right Handed Users -Black

Item Condition: New

Color: black

Product Information

mini wired trackball mouse, off table and without limitation of operational space, 4D page scrolling function can be controlled simply by your thumb.

- Ambidextrous Design. 3-button trackball mouse, works equally well for both right-handed and left-handed users.

- Ergonomic Design for Long-Term Comfort. Portable handheld trackball mouse can avoid any harm on your wrist and muscle, greatly reducing the chances for Arthritis and CTS suffers.

- USB 2.0 interface, plug and play, no software required.

- Compatible with Windows, Linux, Unix and Mac OS System. Wired trackball mouse is suitable for Mac, Laptop & Desktop Computer.

Descriptions:

trackball mouse is perfect for mouse hand fatigue. It is off-table, without limitation by operation space and avoiding harm to wrist and muscle. The two dimensions and buttons are simply controlled by fingers.

Looking for something a bit different in a mouse? It looks like a lame Sci-Fi gun in a low budget movie, but who knows, it might just help your wrist.

How to use the 4D scrolling function:

Press the left button to lock the screen, then control the track ball to roll you screen freely.