This vibrating masturbator features 10 intense vibration settings. The stimulating studs on the interior provide fantastic stimulation. The width is flexible, so this masturbator will always fit perfectly on your penis. It\'s made of silicone and feels silky soft. This masturbator is easy to hold, easy to operate, and charges quickly with the included USB cable. Always use lubricant for a smooth, natural feel. Clean the toy after use with lukewarm water and toy cleaner and dry it with a lint-free cloth.