This wireless mouse by Delock is connected to the computer via the compact USB receiver. During transport it can be placed inside a compartment at the bottom of the mouse. The 2.4 GHz wireless technology provides a maximum operating range of up to 10 meters. There are three adjustable DPI levels to adapt the sensitivity of the mouse. Specification https://elecena.pl/product/18408899/12493-wireless-mouse-black-red 2021-05-09 https://elecena.pl/product/18408899/12493-wireless-mouse-black-red 2025-01-25