SMK-LINK VP6156 Black 1 x Wheel Bluetooth Wireless Optical Notebook Mouse Hand Orientation: Both Hands Distance: 33 feet Operating System Supported: Mac OS X 10.4.6 or later PCs: Windows 2000, XP, Vista and 7 System Requirement: PC systems may require Bluetooth receiver Package Contents: 46943W Electrical Outlet Plug Type: Plug Type “A� (USA, Canada, Mexico, Japan)