1.Wireless bluetooth intellectual controlling system. 2.One button for front parallel movement. 3.Four-Roller back massage mechanism in L-shape frame. 4.Vibration,air pressure,rolling,heating: 5.Super long L-shape massage area performs whole massage from neck to buttock. 6.Air pressure for shoulder, waist, arm, butt, calf and foot. 7.Rolling massage for sole (Four rollers). 8.Move front before lie down, maximum 30cm, saving space. 9.Extendable footrest, maximum 26cm. 10.Reclining angle range: 115-155°.