Micro-precise scrolling and tilt wheel. Designed for right and left handed users, allowing user to switch the left and right click via Logitech Options Software. Customize tilt action to perform horizontal scroll, forward/backward, and more with Logitech Options. Unifying USB receiver can be paired with up to 6 compatible peripherals. Smooth optical tracking 1000 DPI. Broad compatibility with most OS - Window, macOS, Linux and is also a certified Works with Chromebook product. Will operate up to 18 months without changing batteries; Logitech brand; 5 buttons, 4D rubber scroll wheel, 2.4 GHz wireless connection; Reliable connection up to 10M (33ft); NW & CO Copies 1 & 2: Logitech model M325, Part No.: 810-006959 / NW copies 3, 4 & 5: Logitech model M325S, Part No.: 910-006825