iBooMas 4D SL Track Massage Chair Full Body,compared to conventional massage rollers massage wider,deeper,and more rhythmically,which can be compared with professional massage methods to refresh yourself and reduce fatigue. We can customize the massage to personal preference.You can enjoy the existing massage programs or customize your favorite massage programs and save them for direct use next time!With 6 massage techniques and 12 massage modes, you can enjoy a masseuse-quality massage experience at home with the IT9777 massage chair.Max Load Weight 300 lbs.Recommended height range under 6.2ft.This massage chair is 100% tested for performance and reliability before shipping.We provide 3 years of after-sales service.Please feel free to buy.