The Dell WM126 is a wireless optical mouse designed for reliable daily use across various operating systems, including Windows, Linux, Chrome OS, and Android. It connects via a small USB nano receiver using 2.4 GHz wireless technology, giving you a freedom of movement up to 10 meters from your computer. This model features an optical LED sensor with a resolution of 1000 dpi, providing steady tracking for standard office tasks and web browsing. Constructed from black ABS plastic, the mouse has an ambidextrous shape that feels comfortable for both left- and right-handed users. It is quite compact, measuring 94.82 x 57.31 x 35.6 mm and weighing only 58 g, which makes it easy to slip into a laptop bag for travel. The device operates with three standard buttons, including a scroll wheel for navigating documents. One practical advantage is the Dell Universal Pairing feature, which allows you to connect up to six compatible devices to a single receiver to keep your USB ports free. Power is supplied by a single AA battery, which can last up to 12 months, meaning you won't have to worry about frequent replacements during your work.