Sturdy: The keys can withstand 50 million keystrokes. It is made of metal, has a matte finish, and is strong enough to withstand scratches, bumps, and corrosion. The free key cap puller tool is: We are providing you with a key cap puller. When you want to clean your keyboard or change your key caps frequently, this device makes it simple to pull your key caps. constructed like a tank. ABS and over-engineered metal casing Compatible with Mac OS X, Windows XP, Windows Vista, Windows 10, Windows 8, and Windows 7. Keyboard Configuration: 9 backlight models, 87 standard keys Twelve multimedia keys, all non-conflict keys, WIN keys that can be turned off while playing games, and chiclet keycaps with laser engraving Technical Details: USB connector with a gold plating 2.0 Cable: Braided fiber cables Multimedia