This wired USB mouse by Delock is suitable for left handers and stands out due to its ergonomical design. It can be connected to a free USB port of a PC or laptop. By pressing the DPI button the sensitivity of the mouse can be adjusted, there are four adjustable DPI levels: 800 / 1200 / 1600 / 2400. Specification https://elecena.pl/product/18585521/12548-optical-usb-mouse 2021-05-27 https://elecena.pl/product/18585521/12548-optical-usb-mouse 2026-03-31