Our massage chair is programmed with 3 zero gravity positions that are designed for specific occasions of watching tv reading books and deep relaxation. During that caring process this massage chair elevates your legs over the heart and achieves relaxed body positions. And it has 8 auto massage modes 5 massage techniques 3 adjustable massage speeds 3 adjustable widths. And one of the auto modes is the thai stretch to fully stretch your spine for quick relaxation and recovery. Your lower limbs will be applied with airbag massage & heat therapy & roller massage. You can also feel heat therapy in your waist. To fit people of different height this massage chair features automatic shoulder detection and positioning to adjust the massage balls to your massage points. The double sl tracks extend the massage route from neck to thighs. The airbags on your shoulders arms hips calves and feet can be activated independently with varying intensities. You can adjust the leg and back position independently by the upgraded dual electric linear actuators. Please note : inside delivery is not provided. If a loading dock is not available at your delivery site you can request inside delivery for an additional fee. Once you request inside delivery please make sure the door is large enough to allow the package to pass through. The packing dimension is 51 × 32.5 × 52 L×w×h . The minimum doorway size is 31 inches. Note that if you want to return the product please be sure to keep the original pa...