CK0143B Features Optical mouse with USB2.0 interface Non-slip 3D wheel No installation software or drivers required: plug and play  With this mouse， you can surf the internet conveniently Compatible with IBM laptop Compatible with desktop and laptop computer General Specs Brand Rapoo   Model M120 Type Optical mouse Material ABS plastic Optical Resolution 1000DPI Cable Length 1.2 m Interface USB2.0 Compatibility Laptops and desktop PCs System Required Windows 2000/XP/Vista/7