"1. Support shooting games, such as PUBG. 2. Mechanical alloys are quick, sensitive, embossed and not easy to be oxidized. 3. Full function, more convenient to use. 4. Mouse micro switch, key feedback, and vocal feedback, which are more vital to play for PUBG. 5. In the game does not affect the line of sight, more clear to play, more stable to shoot. 6. New metal buttons, feel more powerful, precisely the fire."