SPECIFICATIONS Key features Keyboard Type:  Mechanical Switches:  TTC Mechanical Blue switches Color:  Gunmetal Black Materials:  Plastic and aluminum Lighting:  RGB with 16.7 million colors Polling Rate:  1000Hz Response Rate:  1ms On-the-fly System:  Yes, for multimedia, macros, and lighting control Wrist Rest:  Yes, low-friction Cable:  Fixed, 1.8m rubberized USB 2.0 cable On-board Memory:  512 KB MCU:  32bit ARM Cortex M3 Dimensions:  460 x 135 x 41 mm Weight:  908g (without cable) 

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