This 2-in-1 fully automatic male masturbator features 9 levels of expansion and rotation. providing powerful stimulation to the most sensitive part of your penis. ensuring continuous pleasure and enhanced sexual enjoyment. The mouth-shaped sleeve design is suitable for most penis sizes. offering a snug fit for better and easier climax attainment. The soft and comfortable TPE sleeve material. offer you real experience. Removable sleeve. easy to remove and clean. Because this product is not fully waterproof. please be sure to remove the inner liner for cleaning. Do not directly immerse the product in water.