Larger Size & Strength: 49*39*8.5cm, twice the size of ordinary massage pillows, 8 heated rollers, twice the strength of ordinary massage pillows, 3 adjustable gears and built-in two-way motion control. Infrared Heated Function: Shiatsu neck massager has manual adjustment function of infrared heating function, which helps to improve blood circulation and relieve muscle soreness. The back massager automatically reverses every minute and has a 15-minute automatic pause function to prevent falling asleep and causing injury during the massage. Car Charger: The back massager is equipped with a car DC adapter and an AC adapter, which can power the device and reduce driving fatigue. The back massage pillow can be used on the chair, gaming chair, office chair. Very suitable for home, office and travel. Relax Body Muscles: Ergonomic design, suitable for your neck, upper back, lower back, shoulders, waist, tights, calves, feet, legs and arms, comfortable height, faster to enter a relaxed state, to provide you expect a massage.