The LogiLink Mini Notebook Mouse with 2.40 GHz technology features an optical sensor and a 800 dpi resolution for a high precision and fast operation. A Connection is built via the included USB Micro dongle and recognizes the mouse automatically by the Auto Link function. The mini dongle can be stored for transportation in a compartment in the mouse. In addition to optical scanning and vertical scrolling wheel, the LogiLink Notebook Mouse offers 3 programmable buttons.