1ERGONOMIC DESIGN: Compact ergonomic design and durable aluminum alloy ABS structure free up more work space on the desktop 287 KEYS: Regardless of how many keys are triggered at the same time, all 87 keys have independent switches, "all N key flip" and "anti ghosting" performance are reliable, and there are 12 kinds of multimedia shortcut key combination functions 3CUSTOM FUNCTION: With a custom mechanical keyboard switch. Long service life, higher durability and responsiveness. Tested with 50 million keystrokes 4PROFESSIONAL and PRACTICAL: Using professional game chips to provide a stable gaming experience, plug and play, no need to install any drivers, easy to use 5SUPPORT SYSTEM: Support for Win 2000, for Win XP, for Win 7, for Win 8, for Win 10 and other systems Item Type:Mechanical Keyboard Material: Aluminum Alloy, ABS Model: CK73 Color: Black and White Function: Computer Control Keyboard, 12 Kinds of Lighting Effects Scope of Application: Computer Shaft Body: Red Switch Number of Keys: 87 Applicable Life: 50 Million Times Maximum Current:500mA Keyboard Type: High Keycap Ladder Design Ergonomics: Support Operating System: Support for Win 2000, for Win XP, for Win 7, for Win 8, for Win 10, Etc. Interface Type: USB2.0 USB Return Rate: 1MS/1000HZ Connection with Computer: Wired 1 x Mechanical Keyboard 1 x Key Puller 1 x User Manual