The Adesso 3-button desktop optical mouse is full sized with scrolling features make navigating your computer a breeze. No more cleaning of your mouse ball and no more need for a mouse pad. This mouse works on many different kind of surfaces like wood and plastic. 1000. Mouse tracking method: Optical. Black. Mouse type: Wired. Mouse interface: Cable, USB. Features optical technology to work on virtually any surface, with improved speed, accuracy and reliability, without the hassle of clogged mouse ball. Cable length: 5'. Dimensions: 1 1/2"(H) x 2. 4"(W) x 4 1/2"(D). OS compatibility: Windows 8/ 7/ Vista/ XP/ 2000 & Mac OS X & above. Metal scroll wheel helps to navigate quickly and easily. Weight: 0. 3 lbs. Compatibility: Computer. Resolution: 1000dpi. Pointing device features: Ergonomic. Scroller type: Scroll wheel. Number of total buttons: 3. Adesso HC-3003US Wired Desktop Optical 3-Button Scroll Mouse features optical technology to work on virtually any surface, with improved speed, accuracy and reliability, without the hassle of clogged mouse ball.