Using the Blush M Men's Storm Model Male Masturbation Cup is easy. First, make sure it's fully charged via the USB port. Then, you can turn it on and choose one of the 7 vibration modes with just a simple click. You can also activate the one - touch suction feature for a more realistic experience. Put on the included headphones to enjoy the lifelike moans. After use, detach the internal cup and clean it with mild soap and warm water. Make sure it's completely dry before storing it with the protective cap. Remember to keep it in a cool and dry place. Don't use harsh chemicals to clean it as it may damage the premium materials. And always use water - based lubricant for a better and safer experience.