Evergreen DN-WR521W USB Mini Trackball
March 27th, 2009 by Sze | 1 Comment | Filed in Peripherals and Accessories
Shanghai-based Evergreen offers DN-WR521W, a USB mini trackball. The device has a retractable USB cable. The bloack-shaped mouse has four buttons, a trackball of course, then left and right mouse buttons and then a scroll button. It has 800 dpi resolution.
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