Official  Microsoft Xbox Elite  2 controller has been fully customized to high performance. 
Gulikit TMR sticks been fitted with adjustable torque to make sure to get the best  magnetic sticks on the market.
Super precise with low voltage consumption  and fully eliminate stick drift.
Please note! 
These are not 0dead zone controllers. (the center error around 0.02%)Just not gonna build up that dreaded stick drift on the long run like the standard alps.
Super high quality face plate
New LB and RB switch nice and snappy. 
The controller has a refurbished base looks new  feels new but performs better like a new controller 
Full hard case with accessories (charging cable not included) 
3 months warranty for you piece of mind