Using the Romp Switch X is easy. First, insert the 2 AAA alkaline batteries that come with the product. Press the 2 control buttons to adjust the 6 intensity levels according to your preference. Enjoy the touchless suction - like stimulation provided by the patented Pleasure Air Technology. When you're done, since it has a splashproof design, you can gently rinse it under water for easy cleaning. Make sure to dry it thoroughly before storing. Keep the device in a cool, dry place. Replace the batteries when the runtime drops below 5 hours to ensure optimal performance. Always follow the safety instructions included in the box for a safe and enjoyable experience.