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.	Info Link	Price	MFG	Description	Type	Size
-	More Info	$109	Kensington	SlimBlade - Kensington Slimblade Trackball USB 2.0 for PC and Mac, K72327US, Ambidextrous, Compatible with Windows 7,/XP Vista, and Mac OS X
-	More Info	$55	Kensington	Orbit Wireless Mobile - Kensington Orbit Wireless Mobile Trackball - wireless - 2.4 GHz - USB wireless receiver, Compatible with Windows 7, XP, Vista and Mac OS X
	More Info	$10	Kensington	Orbit Optical Trackball - Kensington Orbit Optical Trackball, USB and PS/2 interface, (PC Mac), Windows® 95, 98, Me, NT, 2000, or XP, Vista or Windows 7 Macintosh® with OS 8 & 9
-	More Info	$27	Logitech	Trackman Marble - Logitech Trackman Marble - trackball, Optical USB Windows Vista / XP MacOS X 10.3.9 or later

(Select a Feature from the column on the right)

Features

-Company Kensington

-Design Optical

-Frequency - 2.4GHz

-Interface - Cordless

-Interface - PS/2

-Interface - USB

-OS - Mac

-OS - OS X

-OS - Vista

-OS - Win(ME)

-OS - win(XP)

-OS - Win2000

-OS - Win95

-OS - Win98

-OS - Windows 7

-OS - WinNT4

-Platform Mac

-Platform PC

-Technology - Mechanical

-Technology - Optical

Manufacturers

- Fellowes

- Kensington

- Logitech

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