Gamers might find more use in mice such as these than conventional ones. Apart from the usual buttons, this one also has side buttons for some extra functionality.
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ENDGAME GEAR XM1 RGB Gaming Mouse - PMW3389 Sensor - RGB Lighting - 50 to 16,000 CPI - 5 Buttons - 60M Switches - Dark Frost
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Endgame Gear XM1 RGB USB Optical Gaming Mouse - Dark Frost