Ergonomic Computer Gamer Chair 3D Armrests

【Practical Features】 The angle and height of the backrest is adjustable, providing you with a comfortable sitting position. Combined with headrest and lumbar pillow, it can relieve the pressure on your back.3D armrests can be adjusted up and down, front and back, to adapt to different table heights.360°swivel at will, silky smooth and quiet.