Product Features: Can be used with or without the included grip Attachable palm grip massages hard-to-reach places, including your shoulders and back. Detach the palm grip for more control and range of motion while massaging your body Three-included massage heads for a pleasurable massage experience Each node can help you achieve a general, shiatsu, or palm pressure-style massage Allows you to control the speed and intensity of the massage, between high and low, by using the convenient slider on the massager Does not require any batteries, but it needs to be plugged into an external power source Manufacturer’s Warranty: 1-year (Limited)