The SADES K10 is an RGB backlit mechanical keyboard.
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Pros
Pro Backlighting
The K10 has interesting backlighting features. Even though it doesn't use RGB LEDs ( here, each LED is a single color - there is no way to change the colors from their rainbow configuration), there are different adjustments that can be made. There are 3 brightness levels, and 6 different modes (breathing, two reactive modes, and a couple of others).
Pro Comfortable to type with
The keys are concave on top, helping guide your fingers to the center of the keys and preventing your hand position from changing. There are grips on the bottom of the keyboard to ensure that it doesn't slide around the desk while it's being used.
Cons
Con No switch choice
This keyboard is only available with Cherry MX Blue switches (tactile bump with and audible click at the actuation point).