01 human bionic curve backrest design is close to the spine, comfortable support and easy working state 02 multi dimensional adjustable headrest naturally fits the curve of head and neck, easily relieve pressure and work efficiently 03 the pressure bearing design of the lumbar support is designed according to the waist protection design of artificial body, which supports the center of gravity of the waist and is not tired after sitting for a long time Custom locking, combination of work and rest, body and mind relaxation