GAMDIAS Certified Mechanical Switches 61Key Mechanical Keyboard RGB Backlighting 16.8 million color and built-in lighting effects. Anti-ghosting with N-key rollover Ergonomic design WASD and Arrow Keys Exchange 8 Additional Multimedia Keys KEYBOARD: Key Switch : GAMDIAS certified Mechanical switches Key Switch Type: BLUE Switch Lifecycle :50 Million Dimension (L x W x H): 291 x 101 x 41 mm Weight : 550g Built-in Memory :32KB Polling Rate :1000Hz N-Key Rollover :N-Key rollover Windows Key Disable :Yes All-Keys Lock :Yes Cable Length: 1.8m Type-C to A cable Backlit: RGB 16.8 million Color Customizable Lighting Effects :No Software: No Connectivity :Wired