The K2 features a compact TKL layout for maximum efficiency in the smallest possible footprint. Features durable Gateron mechanical switches available in Blue (clicky), Brown (tactile) and Red (smooth linear) to meet your typing preference. Sturdy Aluminum Structure adds stability weight and an aesthetically polished look to the design. Laser Engraved Keycaps shine through ABS keycaps provide crisp legible legends in fully lit and dimly lit settings. These keycaps are made from ABS plastic and have a soft matte finish that is smooth but not slippery to the touch. RGB Backlighting - allows for colourful and crisp visibility and includes 15+ backlighting effects. Use in Wired or Wireless mode, Connect up to 3 Bluetooth devices, Long lasting 4000mAh battery.