... neck hands HEIGHT ADJUSTABLE 3)8 thermal balls moving up & down backrest 4)seat vibration THERMAL CAR MASSAGE CUSHION,BACK MASSAGE CUSHION ... hands , HEIGHT ADJUSTABLE ELECTRICALLY. 3. Eight massage balls moving up and down the backrest electrically,can be heated max to ... :full back,upper back,lower back. 5. Vibration massage on seat cushion. 6. High quality PU & carbon fibre surface,antibacterial, ...