P/N: KX Black 10100: black color
P/N: KX Yellow 10102: yellow color
P/N: KX Red 10103: red color
P/N: KX White 10101: white color
P/N: KX Blue: 10104: blue color
 
Specification:
Mechanical keys for solid and accurate keystrokes
Multimedia keys with tactile feedback vibration
Adjustable backlight for all keys
Extremely comfortable touch
Built-in environment-firendly lithium battery