JONPONY Big and Tall Office Chair 500LBS Executive Office Chair Massage and Footrest Ergonomic Computer Desk Chair Reclining High Back Leather Office Chair Lumbar Back Support Swivel Rolling,Black6 Points MassageExecutive office chair with massage have a vibrator with remote control, slight vibration can reduce the fatigue caused by your long hours of work. Its carrying capacity can reach up to 500 pounds. Ergonomic FeaturesErgonomic curved high backrest and thickened cushion will reduce your back and vertebrae pain when you are long time working. Adjustment FunctionBackrest can be recline up to 135 and locked in any angle you want between 90