About this item: Bluetooth, zero gravity, full-body airbag, back and foot roller massage, lower back heating. Both 6 automatic massages and manual specific part massages, strength and speed can be adjusted for the best massage experience. Built-in waist heater, the suitable temperature can enhance the massage effect to promote blood circulation, relieve muscle pain, tension. The back of the massage chair has 8 fixed rollers to more accurately find the location of the massage. A pair of wheels are placed behind, now you can easily move to any position in the room. 100% tested before shipment, comes with 3 boxes. Full-body Airbag Massage Air Bags Kneading Massagethe air bag covers the various massage positions of the body. Squeeze shoulders, arms, buttocks, legs, and feet. Applicable people For long-time workers, sports enthusiasts, people with back and back pain, etc., massage can alleviate physical fatigue, relieve pain and help improve sleep. Footrest Extension The footrest has a 5-inch extension space and can be used by people of different heights. It can be used by other family members.