The CyberChair E500 is an ergonomic chair constructed with high tension permeable mesh cushioning, sturdy aluminum framework and a heavy duty base. Various functions of the chair including the headrest, seat depth, seat height and 4D armrest can all be adjusted, and the four-segment seat back allows back tilt angles of up to 117 degrees designed according to your needs. The CyberChair E500 aims to provide unparalleled comfort and upmost adjustability to your work and gaming stations. MESH CUSHION Elastic and breathable mesh surface with a soft touch. Passed SGS 100,000 impact fatigue tests, and the California Technical Bulletin 117 flame resistance test. HEADREST ADJUSTMENT Lift adjustment and front side rotation. ELASTIC ERGONOMIC BACKREST Seamless support between the seat and back. 4D ADJUSTABLE ARMREST Adjustable in height and width, and 4-directional armrest movement for optimal support of the forearm to relieve wrist pressure and muscle strain. ADJUSTABLE BACKREST Whether it is leaning forward or lying backwards to relax, the CyberChair E500 provides extensive back angle support from 90° up to 117°. STURDY FRAMEWORK Using the aluminum alloy integral molding method, the CyberChair E500 brings durability, sturdiness and elegance all at once. WHEELS AND BASE PU covered and large 3” caster wheels for quiet wheeling and enhanced stability. Heavy duty 5-star aluminum base measures 70cm (27.5in) in diameter and weight support up to 150kg (331lb).