Feature:

Ergonomically designed for your hand !
Once you noticed the advanced precision of the Optical mice, you'll never glance at other.
This amazing high-resolution sensor measures the smallest motion to give you instant response to even your fastest movements.
Once you plug it in, you'll enjoy the difference immediately: from the ultra-smooth, precise tracking to the black design to the comfortable sculpted shape that fits both left and right hands.
Plus, a collection of advanced features will streamline frequent tasks like scrolling through long documents, switching between applications, and navigating the web.

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