LogiLink's® Black Optical Wireless Mouse Mini is a notebook mouse that has been designed with an optical sensor and 800 DPI scanning for accuracy and speed. Manufactured with 2.40GHz technology and equipped with a Micro USB dongle for automatic connection - the dongle can be stored inside the mouse. * 2.4GHz wireless technology, 79 channels * 3 programmable buttons * Vertical scroll * Resolution 1000/1600 DPI * 3-step power saving mode * 6-10 metre range * 2x AA batteries * Plug & Play * Manufacturer's part ID0031