Enhance your presentations with the YUMQUA Y-10L Wireless Trackball Mouse featuring a built-in laser pointer. Simply plug and play via USB port, no software required. Compatible with Windows, Linux, and Mac OS. | Choose from four adjustable DPI settings (400, 600, 800, 1200) to suit your preference. Enjoy accurate tracking and responsiveness within a 10-meter range. | Experience comfortable and free operation with the thumb-controlled trackball and off-table design. | Designed for both left and right-handed users, the ambidextrous dolphin shape fits perfectly in your hand. | Say goodbye to palm joint or muscle strain with this ergonomic handheld finger mouse, perfect for long hours of use.