● Angle Lock and height adjustable levers for easy controlling● Back knob for back height adjustment● 90°-135° adjustable angles offer the most suitable sitting posture● Breathable mesh fabric and high elasticity sponge offer you ultimate comfort● Ergonomic headrest curved seat and linkage armrests support your head neck hip and arms● Retractable footrest enables you to stretch legs● SGS gas rod for stable lifting and strong weight capacity● 5-claw metal base ensures overall stability● 5 universal wheels for hassle-free movement