MouseDevice interface:RF Wireless+USB Movement detection technology:Optical Scroll type:Wheel Buttons quantity:6 Buttons type:Pressed buttons Scroll:Y Movement resolution:1600 DPI Recommended usage:Universal Number of scroll wheels:1 Customizable movement resolution:Y Frequency band:2.4 GHz DesignForm factor:Right-hand Colour of product:Black ErgonomicsWireless range:8 m PowerPower source:Batteries Battery type:AAA Number of batteries supported:2 System requirementsWindows operating systems supported:Windows 2000,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Packaging dataWireless receiver interface:USB Receiver type:Nano receiver