Black technology transparent and highly conductive PUBG artifact ; Transparent and not blocking mobile screen; Help you fight to final battle circle, Make your enermy no where to hide, just a blow to get them out.  98K button design is more accurate resistance,  side touch design avoids the button groove. Without touching any button, yet make shooting more accurate and stable. No any inflexibility reason. With RK-GAME13 PUBG gamepad, makes your mobile a  professional game console.