... 3)8 thermal balls moving up & down backrest 4)seat vibration THERMAL CAR MASSAGE CUSHION,BACK MASSAGE CUSHION,SHIATSU MASSAGER CUSHION,CUSHION ... MASSAGER 1. Equipped with 12V car connector and AC adapter,suitable for car and home use. 2. Two neck massage ... :full back,upper back,lower back. 5. Vibration massage on seat cushion. 6. High quality PU & carbon fibre surface,antibacterial, ...