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The AutoUp DualSpeed G2900 is built around the insight that many players use dramatically different sensitivities for different game genres or even within a single game session, and that optimizing the mouse body for these two modes simultaneously unlocks hidden performance at both extremes. The DualSpeed mode system is not a simple DPI switch; it activates a complete profile change including lift-off distance, polling rate, and button mapping optimized for either precision low-sensitivity aiming or high-DPI rapid navigation. In Precision Mode at 800 DPI, the extended lift-off detection activates, the scroll wheel locks to prevent accidental sensitivity changes, and primary button actuation force increases slightly for more deliberate click control. In Performance Mode up to 16,000 DPI, lift-off distance minimizes to prevent cursor jump during pick-up, polling rate rises to 1000Hz, and the auxiliary buttons activate their gaming macro assignments. Dedicated grip texture zones on the left and right sides change character between the two modes: the right zone features a smoother surface for the low-friction palm movement used in high-DPI play, while the left zone has aggressive micro-texture for the precise thumb control needed in low-DPI precision work. The 90g body provides enough mass for stable low-sensitivity aiming without fatiguing high-DPI wrist movements. The braided USB cable with cable clip routes cleanly without interfering with large-sweep low-DPI movements. Five programmable buttons with mode-aware assignments maximize the functionality available in each mode. The AutoUp DualSpeed G2900 is the mouse for players sophisticated enough to know that different games demand fundamentally different tools from the same equipment.