Features: 1.Multiple Modes: Through the game mode and button custom settings, you can freely switch between 5 game modes to improve entertainment, and you can also use FN + WIN to lock the window. 2. A full size mechanical keyboard with 104 keys, backlit, can provide smoother and light linear motion, plug and play, no need to install any drivers, easy to use. 3.Comfortable Use: Ergonomic design, more humane, a series of shortcut function keys are added, and professional game chips are used to provide a perfect gaming experience. 4.RGB Lighting Effects: Customizable, very cool lighting effects, 6 lighting themes and multiple backlight models, RGB backlit keyboard allows 16.8 million RGB color wheels and apply them. 5.Broad Compatibility: Support for OS X, for Windows 10, for Windows 2000, for Windows 7, for Windows 8, for Windows Vista, for Windows XP, can be widely used. specification:Item Type: Mechanical Keyboard Material: Aluminum Alloy,ABS Model: CK108 Colour: Black Function: Computer Keyboard Scope of Application: For Computer Shaft Body: Blue Switch Number of Keys: 104 Working Voltage: DC 5V Cable Length: 1.80m 1% System Support: For OS X, for Windows 10, for Windows 2000, for Windows 7, for Windows 8, for Windows Vista, for Windows XP Backlight: Color Backlight Keycap: Adopts Two colors Keycap Technology N Key Rollover: Support Multimedia Key Combination: 12 PackageList: 1 x MechanicalKeyboard 1 xKey Puller 1 x Hand rest 1 x User Manual