Witty Mouse, C, COM 25pin, Увеличить A4 TECH, OK, COM 9pin Microsoft, Serial Mouse , COM 9pin Qtronix Corporation XB, PS/2. Hi all I have a mouse (A4tech XF), it works, but the scroller works bad. (When I try to scroll, it trembles.) Can anyone help me, how can I. Mouse A4tech XF optická kovově šedá, Good mouse for demanding players with resolution dpi, which guarantees excellent sensitivity and precision.