The adjustable high-back ergonomic chair in the mesh office chair combines modern technology with ergonomic design to bring users the ultimate comfort experience. This chair also has the characteristics of multi-function lifting and rotating. The height adjustment function allows users to easily adjust the height of the chair according to their height to ensure the best sitting posture. The 360-degree rotation function provides users with more flexibility and convenience in the office or home environment. This mesh office chair not only has a stylish appearance and comfortable sitting feeling but also meets users' multiple needs for health, comfort, and convenience through its 5D armrests and multiple adjustment functions.