This suction-based massager has 7 different suction modes. With a portable charger, it can be conveniently used anywhere. It has an automatic cleaning function, making it easy to clean. Its design stands out for its ergonomic shape; it also operates at a very quiet noise level. Characteristics Function: 7 suction functions Memory function Power: USB Rechargeable Material: Silicon and zinc alloy Color: Black Pretty Love manufactures high-quality products. They come with a one-year warranty against technical defects.