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from target.com

Logitech M570 Wireless Trackball Mouse - Gray (910-003283)

CH 8- A trackball allows the mouse pointer to be moved by the rolling of a ball. One feature of a trackball is that you don't have to have it on a mousepad or next to a computer.

Logitech Wireless Trackball Mouse M570 is used by #JudyEssig.com for all the clients requests.

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from thegadgetflow.com

Kensington SlimBlade Trackball Mouse

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Neu Finger HandHeld 4D USB Mini Portable Trackball Mouse PC Laptop Computer

from Market Street Office Supplies

Mouse,trackball,opt,bk

Control your cursor with a simple touch of the finger. Uses less arm movement and desk space than a conventional mouse. Features Diamond Eye® optical technology

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from GuangZhou Deals - GZ Deals

NI5LPortable Finger Hand Held 4D USB Mini Trackball Mouse PC Computer Mice

from GuangZhou Deals - GZ Deals

Portable Finger Hand Held 4D USB Mini Trackball Mouse PC Computer Mice

from Adaptive Tech Solutions

Trackball Mouse

Trackball Mouse (Mid-tech tool to support students with instead of a natural mouse)

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-Trackball Mouse Emulators - A trackball can help students with limited arm mobility use a computer provided they have some hand/finger mobility. - A trackball allows the mouse pointer to be moved by the rolling of a ball held by a socket containing sensors to detect a rotation on two axes placed in the center of the mouse.