Sandberg (630-06) Wireless Optical Mouse, 1600 DPI, 5 Buttons, Black, 5 Year Warranty     General: 2.4 GHz GFSK technology Working distance: 6-10 metres   Mouse: 5 buttons Wireless optical 1000/1200/1600 DPI Scroll wheel Requires 1 x AA battery   Receiver: USB interface     No cable clutter. Works instantly. …

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