Today Logitech is unveiling its V550 Nano cordless laser mouse. This $60 mouse packs a few tricks including that itty bitty 2.4GHz USB nano receiver, 18-month life off 2x AA batteries, and “Clip-and-Go Dock” which affixes to your laptop. the 3.91 x 2.28 x 1.34-inch V550 also features Logitech’s superb hy……

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