A comfortable and human-oriented ergonomic office chair with vibrating lumbar cushion, is needed for your long sitting before computer. Segmented padded design is to give highly contoured support when you are gaming, working or meeting in the office. And you can find your optimal position by adjust the height of chair, tilt angle of back, height of armrest, and place of the head pillow and lumbar support. Full 360 degrees of swivel rotation enable dynamic movement.Features:Innovative USB electric massager makes the lumbar cushion effectively relieve your fatiguePU leather and thick sponge padding make it wear resistance and comfortableHeight adjustable design,You can find your optimal position by raising or lowering your chairReclining up to 90 150 degree, provides various of comfort lying angleErgonomic tilt function, rocks back and forth for ultimate comfortAdjustable armrest, head pillow and lumbar support give your extra comfort for long sittingHeavy-duty base with full swivel casters in high stability and flexibilityAssembly RequiredSpecification:- Color: Black/ Camouflage Green- Material: PU, Sponge, Nylon- Overall Dimension: 64W x 69D x 120–127Hcm- Seat Size: 52W x 50Dcm- Seat Height (adjustable): 45–52cm- Fully Reclining Dimension: 64W x 103 × 108–115Hcm- Back Dimension: 55W x 83H x 12Tcm- Head Pillow Size: 29L x 20W x 8Tcm (removable)- Lumbar Support Size: 30L x 18W x 5Tcm (removable)- Weight Capacity: 120kg