Keyboard With 19 anti-ghosting key: Simultaneous operation of up to 19 keys without conflict; 12 multimedia keys, interchangeable “WASD” keys and WIN keys can be disabled for gaming. Supported operating systems range from Windows 2000/2003/XP/Vista/Win7/Win8/Win10/Mac OS (Please note: Note: the multimedia keys just work for files on Windows).Gaming Mouse and Keyboard-Including a 7 Colorful Circular Breathing LED Gaming Mouse and a Rainbow Backlit Gaming Keyboard.Rainbow backlights takes you into a pretty cool gaming atmosphere quickly.7 circular breathing color of mouse:Red, Green, Blue, Yollow, Purple, Cyan, Pink. Fantastic for pc games. Keyboard Mouse Combo-Ergonomic keyboard and mouse design,fits naturally in your hand.The USB keyboard and gaming mouse is simple to use,just “plug and play”. No additional software or firmware required. Computer Keyboards-Simultaneous operation of the USB LED backlit keyboards up to 19 keys without conflict, 8 multimedia shortcut keys, interchangeable “WASD” keys and WIN keys can be disabled for pc gaming. Gaming Mice-Resolution up to 3200DPI, Four levels adjustable, 800/1200/2400/3200DPI, the ergonomic gaming mouse with DPI switch flashing indicator.Warm tips: cannot set in one specific color(Press Forward / Back Button + DPI to turn off the light).6-buttons for superior productivity and efficiency. Gaming Keyboard and Mouse: Compatibility with Windows 2000 / 2003 / XP / Vista / Win7 / Win8 /Win10/Mac OS for gaming pc.