Warranty : 1 Year National JSB Warranty Key Feature : Neck and Back Shiatsu massage - Relaxing massage by kneading Soothing Heat Function to make the kneading feature more meaningful Adjust the height of neck massager rollers with the touch of a button Neck Rollers can do Neck and Shoulder massage Spot Massage to work on specific points on your back Seat with 3 vibration settings Dedicated Rollers work in tandem to relieve work related muscle stiffness in Neck and Back Type : Automatic Massagers