1.S-L type of curve for joint human body massage guide; 2.Back with four-wheel massage mechanism; 3.Extendable footrest maximum 20cm; 4.Airbag pressure for head, shoulder, buttock, arm, calf and foot; 5.Heating for the waist; 6.Automatic height detection function; 7.Rolling massage for sole (designed with 6 rollers); 8.Touch screen remote controller 9.Bluetooth music play functions; 10.Zero-gravity, one-button parallel moving function. Carton Size: 115*77*113cm PCS/CTN: 1pcs lN/W-G/W: 75kg-85kg 1x20`GP:30pcs; 1x40'GP:60pcs; 1x40'HQ:60pcs. Technical Parameter: Rated Voltage: AC100-120V. or 220-240V; 50Hz./60Hz; Rated Power: 120W. Rated operating time: 20min. Incline Range: 95-175 degree