Experience the ultimate in convenience and comfort with this wireless handheld USB trackball mouse. Powered by a AAA battery and featuring a plug-and-play USB 2.0 interface, it’s incredibly easy to install and use—no software required. Ergonomically designed to reduce wrist and muscle strain, it helps prevent arthritis and CTS, making it ideal for long hours of use. The compact design allows operation with either hand, using your thumb to control the smooth scrolling rollerball and your index or middle finger to activate the trigger. Perfectly compatible with both desktops and laptops, it offers unlimited operational space without a table surface. Plus, it includes a handy laser pointer for presentations, enhancing your productivity on the go. Your package includes the wireless trackball mouse, a USB receiver, and a carrying bag—everything you need for effortless mobility and efficiency.