Evergreen Nanotrackball

The Japanese from Evergreen believe that there is no reasonable minimalism. The solution may be functional or not. And size - this is the tenth case.

Evergreen trackball keychain is just an example of a functional solution. The gadget looks very comfortable (there is even a special strap for attaching to the finger) and, apparently, it will be appreciated by owners of netbooks and smartphones.

The device has two traditional buttons + one more to activate scrolling, resolution - 800 dpi. The trackball weighs 22 grams, has dimensions of 3 x 3 x 2 cm. The length of the wire is 70 centimeters.
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Trackball does not require installation, but works only under Vista or XP. Sold here for $ 20.