Wonderful USB PS2 Optical Computer Mouse for Notebook PC Green! The Optical Mouse with compact and ergonomic easy-to-grasp design, and this Notebook Mouse with PS2 and USB bi-purpose functions for all computers. The Computer Mouse is a good choice for you! Brand new airplane shape design Computer Mouse, comfortable hand touch Optical Mouse with compact and ergonomic easy-to-grasp design Flash with blue light for front, top and buttons Thin and soft cable with slim USB connector of this Computer Mouse Buttons life of the PC Mouse over 1 million times Scroll up and down directly without moving your hand from the Cetacean Mouse Accurate definition is 800DPI and optical sensitive operation Switch of the Computer Mouse vertical to horizontal wheel This Notebook Mouse with PS2 and USB bi-purpose functions for all computers Optical Mouse specially designed to fit your Notebook or desktop computer There is a USB to PS/2 Mouse Conversion Connector Plug Adapter PC Mouse works with OS Windows 98, ME, 2000, XP, MAC OSX and Windows Size: 80 x 80 x 30 mm (L*W*H) Cable length: 65cm Weight: 101g