1.How is the typing feel of the keyboard?
Blue switches mechanical keyboard: clicky crap sound and spring touch feel.
This full size mechanical keyboard are suitable for gaming and work. If you want a quiet keyboard, this keyboard will be a bit noisy for you. If you enjoy the clicky crap sound, then the blue switches keyboard will be the best choise for you.
2. Is it programmable?
Yes, it supports macro programming. Users can download the "F2088" software via: bit.ly/m/AULA, DIY your own keyboard.
3.What is the length of the keyboard cable?
1.8m
4.Why I can not control the backlighting or volume via the knob?
Please make sure the knob is in the correct mode. In media mode can control volume, in lighting mode can control backlighting. Long press the knob to switch modes.