The Vibrating Cocksucker Male Masturbator simulates oral sex with 5 powerful sucking functions, a soft, plush textured tunnel, and 10 vibration functions for added pleasure! To use, remove the cap then insert ones well lubricated penis into the tunnel. Press and hold the power button to power on; press the suction button and then the vibration button above to the desired settings. When finished, remove the sleeve for easy cleaning. Please clean with an adult toy cleaner and use with water-based lubricants. Allow to dry before inserting back, hard shell case then replace the cap. Discreet design allows for easy charging in plain view! Simply plug the pin charger into the base of the stroker then connect the USB end into a power source.