Detail of the Interpretation: -Plug and Play -No Installation driver required -Micro USB interface receiver plug and play -No need to repeatedly plug and pull the USB receiver -Small portable design let you almost forget its existence. Technical Specifications: -2.4G RF digital technology -Supply voltage (mouse) DC 1.5V -Effective working distance of 10 meters -Supply voltage receiver: DC 4.4 5.25V -Power consumption 19mA -Sleep mode power consumption: 80uA -7 days battery life -Resolution: 1600 DPI -Working temperature: 0C to 40C -Working humidity: 90% RH or less -Key operate number: 500 Package Includes: -Wireless mouse -Nano USB Receiver -2 AAA - NAO INCLUI PILHA