This fully automatic 2-in-1 male masturbator features 9 levels of expansion and rotation, powerfully stimulating the most sensitive part of your penis for continuous pleasure and enhanced sexual enjoyment. The mouth-shaped sleeve design is suitable for most penis sizes and provides a snug fit for better and easier reaching climax. The soft and comfortable TPE sleeve material gives you a real experience. Removable sleeve, easy to remove and clean. Since this product is not completely waterproof, please be sure to remove the inner lining for cleaning. Do not immerse the product directly in water.