NECK AND BACK CAR MASSAGE CUSHION: A) FOUR MAIN FUNCTION: MASSAGE, KNEADING, WARM, SEAT VIBRATION B) THREE KINDS OF RUNNING MODES: THE UPPER PART OF TRIP, THE LOWER PART AND THE WHOLE BACK C) TWO KINDS OF KNEADING MODES: WALKING KNEADING FOR BACK, FIXED KNEADING FOR NECK D) POWER SUPPLY: DC 12V , FOR CAR, HOME, OFFICE, FUN TO MEET DIFFERENT LIFE E) AUTOMATICALLY SET: 15-MINUTE TIMER, FULL-FUNCTION, SAFE AND CONVENIENT F) CONTROL SET: REMOTE, SEPARATION, MORE CONVENIENT OPERATION G) USE EFFECT: REMOVE PAIN FROM NECK AND BACK, INVIGORATING