709A - 5D (Button Version) Office Chair Furniture Chair Chrome 5D Multifunctional Armrest is a key component of office chair. It adopts chrome plating technology, with a smooth and bright surface and metallic texture, which enhances the overall aesthetics of the chair and has good corrosion resistance. The highlight of this armrest is that it is a button version, which is simple and convenient to operate. Its 5D multifunctional design is even more outstanding, and it can be adjusted in multiple dimensions such as up and down, front and back, left and right, and rotation. This allows users to quickly adjust the position of the armrest according to their body shape, sitting habits, or work needs, providing comfortable arm support for the office process and effectively reducing fatigue.