XPG PRIMER exterior is made from durable double-shot PBT for a smooth yet non-slippery surface that stays clean and won't wear or fade even after long use. The XPG Primer features textured side grips with non-slip properties for excellent traction and comfortable gameplay. The XPG Primer features an ultra-light, elastic braided cable that is durable, soft and thin for smoother control. The RGB button is used to switch between three preset light effects. Simply press the RGB button to select the desired effect. With six pre-set DPI settings from 400 to 12,000 DPI you can choose the best resolution to suit your needs.