An electrical connector includes: an insulative base; a fixed terminal secured to the insulative base; and a movable terminal including a securing portion fixed to the insulative base, a connecting portion, a contacting portion in touch with the fixed terminal, a first and a second beams at two opposite sides of the connecting portion, and a tail, wherein at least one of the first and second beams has a first portion substantially perpendicular to the connecting portion and a second portion substantially parallel to the connecting portion.