Solid Oak Wood Folding Sofa Bed - Convertible Chair for Living Room, Guest Room & Small Spaces - Multi-Functional Furniture for Home & Office Use

The low-end position and the high-end position require the backrest to be adjusted from 1st gear to 5th gear.Just hear a slight "taste"-sound.In the high-end and low-end positions, push the backrest to the vertical, then flatten it and then push it to the desired position of the card owner.