1.This link is only the shaft and switches for mechanical keyboard，no keyboard included.It\`s 3 pin switches.Only brown and red shaft is OK in stock，pls choose these 2 colors as your wish.

2.

Red switches and black switches are linear switches moving straight up and down without any additional tactile feedback or loud clicking noise，and the red shaft owns lower actuation force，which means it allows more rapid actuation，so it\`s popular and popular in the gaming market.However the black and red switches are all well-done for gaming.

The brown switches are tactile and non-clicky，between red and blue handle feeling.It\`s both good for gaming and typing which depends your preference.

The Blue shaft is tactile and clicky，the rhythm is very strong.It\`s most popular for typing.However if you really like this feeling，you can use it to play games as well，such as dota，LOL and so on.Many players like the clicking sound when playing games...