Elecom EX-G wireless trackball mouse offers an ergonomic design tailored for comfort during extended use. This black M-XT4DR model features a high-performance optical sensor and a thumb-operated trackball for precise navigation without moving your arm. It includes a 2.4GHz wireless receiver that conveniently stores inside the mouse body, along with customizable buttons and a tilt wheel for efficient scrolling. The unit comes in its original box with a multilingual manual and a battery, ready for immediate setup with your PC or laptop.