Product Description

Product description
Interface Type:USB
Keyboard Standard:104 Keys
Wrist Support:Yes
Material:Aluminum alloy and ABS
Key durability: Up to 50 million clicks 
Key Switch Type: Blue
Size:490*260*41MM
Model Number:PK-900 mechanical keyboard

packages:
1* backlit keyboard
1*Hand Holder
1*Hand Screws
1* instruction manual
1*Carton box

BLUE MECHANICAL SWITCH
This Gaming mechanical keyboard using bule mechanical switch You’ll like the satisfying tactile and clicky of the Blue mechanical switch. With Blue switches, you feel as well as hear the completion of a keystroke.These switches are very balanced for typing or gaming excellence. They combine medium actuation force with a satisfying tactile-click activation on every keystroke.

RGB BackLight Modes : 
FN+1=Backlight mode1（FPS）
FN+2=Backlight mode2 （CF）
FN+3=Backlight mode3 （COD）
FN+4=Backlight mode4 （RTS）
FN+5=Backlight mode5 （LOL all）
FN+6=Backlight mode6 （Car Race）
FN+7=Backlight mode7 （NBA）
FN+8=Backlight mode8 （LOL simple）
FN+9=DIY1
FN+0=DIY2
FN+ Ins: changing backlight action
FN+↑: Turn up brightness; 
FN+↓: Turn down brightness; 
FN+←： Light breathing speed minus
FN+→： Light breathing speed plus
FN+WIN-L：Lock/unlock Win key
FN+ESC:Restart

How to DIY Backlight？ 
FN+Home=REC
FN+End=Save
When backlight on FN+9 or FN+0 mode，press FN+Home into the DIY mode，press any keys you want until the backlight of the key on or off，then press FN+End save it.

N-key rollover
Anti-ghosting and N-key rollover on all keys, and mechanical switches with 50 million keyboard life cycle.
This keyboard is compatible with win XP, win7, win8, win10, Linux, and MAC OS.
The first time to use the keyboard, you need to wait for the computer to automatically install the driver and then you can use it.