Full-Size, Sculpted Design: Cradles Your Hand Comfortably, Hour After Hour

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Windows 8 Edge Menu Button: One-Click Access To Apps, Search, Settings u0026amp; More

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Thumb Buttons: Easy-Switching Between The Traditional Desktop And Windows 8 Start Screen

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Hyper-fast scroll wheel: Two ways to scroll free-spinning or click-to-click

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Unifying receiver: Practically disappears in a USB port and connects multiple compatible wireless devices

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