With seat adjustment function, the overall angle can be adjusted while keeping the posture unchanged, effectively preventing the hip from shifting forward overall angle is adjustable to disperse the pressure on the buttocks and transfer it to the back With backrest adjustment function, the seat angle can be kept unchanged, and the backrest angle can be adjusted separately Increasing the angle of the backrest can effectively improve the posture of the hunched back and improve the line of sight Equipped with pedal brake for safety use Can be folded back and forth, flexible, and convenient Adjustable armrest