Logitech B175 2.4Ghz Wireless Mouse Long Battery Life for laptop or netbook 2.4Ghz Wireless Mouse Portable nano receiver can be contained mouse body easily Plug and play (no driver or software needed) Compact and simple. Height: 1.54 inches， Width: 3.89 inches， Depth: 2.36 inches Upto 1 year battery life for 1 AA battery OS Compatibility - Windows XP， Windows Vista， Windows 7， Windows 8， Mac OS 10.5.x or later， Linux Kernel 2.6.x or later Product Description Packaging comes in Manufacturer's white box as depicted in the picture. USB receiver is located inside battery compartment. 2.4Ghz Wireless Mouse Portable nano receiver can be contained mouse body easily Plug and play (no driver or software needed)