Sasaki 9 Series 4D L Shape Ultimate Massage Chair is packed with state-of-the-art applied science and embraces traditional Japanese massage techniques with todays modern technology and style.From zero gravity to pelvic swinging, you'll receive a totally unique massage experience.Added Features Sasaki 9 Series 4D L Shape Ultimate Massage Chair That Are Not Found On Most Other Massage ChairsL Design Massage gives best 3D massage down to & including the buttocks, providing over 55% more coverageSlide Feature (wall hugger) only needs under 4" from back wall is a big space saver.24 Volt Safety Electrical System -Safer & More Energy Efficient, Saving You Money.64 Extra Large Oversize Multi-Stage Airbags- More Airbag Coverage Than Other Massage Chairs Providing The Best & Most Comprehensive Total Body Care3D body scan determines your upper & lower torso dimensions & adjusts massage for your exact body style & Shoulder Airbags for adjustable shoulder massageComplete hand & complete arm airbag