Question 1

Can you customize the lighting? Can you pregram different colors?

Accepted Answer

To a degree, yes. You can customize each individual key color (Yellow, Blue, Light Blue, Red, Pink/Purple (looks pink to me), Green, and White) by pressing FN+End twice then pressing the key you want to change to the color you prefer. You can also get a few additional colors (whole board) by pressing FN+Insert and letting it cycle to the color you want (this provides more color/shade options than the main colors listed earlier -- press FN+Insert again to pause on a color. FN+Page Up will cycle the colors across the keyboard and allow for some gradient color patterns on the board -- press FN+Page Up again to pause a gradient). FN+Delete will cycle a rainbow effect across the keyboard which you can also pause if you'd like a static gradient of colors flowing from one side to the other, you can also leave them animated. FN+Home will animate the colors moving from inside (around the J key) outward on the board -- I don't seem to be able to pause it. FN+Page Down looks like it turns the keys off but when you hit a key it will light up -- pressing Fn+Page Down again changes the color. The only color set you can fully customize and "program" to stay the way you set them is the FN+End individual key customization, the others will revert to their normal function upon restart. For example, my QWEASD and number keys are set to Red, my F1-F12, space bar, arrow keys set to White, and the rest set to Light Blue. This color combination has remained stored in the keyboard even after unplugging it from my computer. Brightness is controlled with FN+Up or Down arrow keys. Speed of animated cycles is FN+ the +/- keys. For anyone wondering, the Vara K551-RGB and the Kumara K552-RGB appear to share the same colors/settings, the only difference is the number pad.

Question 2

What is the different between rainbow and RGB backlight?

Accepted Answer

"RGB has programmable lights (any color) but rainbow cannot be changed. Rainbow is only the colors shown in the picture, in that order. Rainbow cannot be changed. RGB can be changed."
Whats the difference between the rgb and rainbow? - Amazon ...

Question 3

Is there a headphone jack?

Accepted Answer

No. We plug headphones into computer.

Question 4

Are the key switches replaceable?

Accepted Answer

Yes they are. You can hot swap the switches with other Outemu key switches.

Brand	Redragon
Product Dimensions	35 x 12 x 3 cm; 500 g
Item model number	K708KR
Manufacturer	Redragon
Series	KUMARA K552W
Color	White
Power Source	USB power (powered through a USB cable connected to a host device)
Hardware Platform	PC
Operating System	windows
Are Batteries Included	No
Item Weight	500 g

Redragon K552-RGB Arabic and English Compact Mechanical Gaming Keyboard Backlit Wired with Anti-Dust Proof Switches for Windows PC (Black, 87 Key Blue Switches) (KUMARA K552W, White)

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