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Pro Coloured lighting (not RGB)
This keyboard offers colourful lighting, and a number of lighting modes from reactive (which lights up the buttons you press) to pinwheel or linear movement. You can also program which keys you want to light up, and create your own custom lighting mode.
Pro Real mechanical switches provide comfortable typing
While the keyswitches aren't the popular Cherry MX switches, they are still mechanical switches: more specifically Outemu blue switches. These switches are made in China, and work similarly to the Cherry MX blue switches. They offer a tactile bump and a click at the activation point (about half way down) which is not only satisfying to hear and feel, but also provides more accurate and comfortable typing.
Con Per-row lighting only (not RGB)
Each key only has a single LED beneath it, and can only illuminate a single colour. When all lit up, it looks colourful however the QWERTYUIOP (top row) keys will always be green, and the ZXCVBNM (bottom row) keys will always be purple.
Con Uses knockoff mechanical switches
This keyboard uses the Outemu blue switches which are clones of the massively popular Cherry MX blue switches. There isn't much information available on these Outemu switches, but they are made in China and likely aren't help up to the same standard that the German made Cherry switches are.