The OS-4000 is designed with six unique auto-programs: Healthcare, Relax, Therapy, Smart, Circulation and Demo. The automatic massage program for the upper body encompasses your shoulders, your neck, your back, and your lumbar area. Programs for your lower body includes: buttocks, thighs, calves and feet. Manual massage for the upper body comes with three options, full body, partial and fixed; that has six massage styles - rolling, kneading, clapping, shiatsu, Swedish and combo.

Manual massage also has five levels of speed and intensity with three kinds of width adjustable settings: wide, medium and narrow air pressure massage for back (two airbags), and also includes five intensity options. Air pressure for lower body (twenty-six airbags), with five intensity options powerful vibration massage for buttocks, calf rests that can be lifted and stretched, backrest can also be lifted. LCD display comes with auto timer 5-30 minutes and a wireless mini-controller.

Benefits of a Zero Gravity Massage Chair:
A Zero Gravity chair puts you in a position that allows your massage chair to do a far more effective job and relieve conditions as follows.

• Helps relieve back pressure with the zero gravity design
• Helps reduce sore muscle tension
• Helps correct spinal alignment
• Helps reduce chronic pain condition such as sciatica or a painful mid back, Arthritis, Fibromyalgia and more.
• Helps decrease stress on the heart

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