Shibari 7 inches Vibrator is powerful and sleek with a smooth finish. Easy to use multi-speed controller allows you to select the amount of speed desired for maximum pleasure. Instructions for use: twist off the base, insert 2 AA batteries and screw the base back on. Twist the controller at the base of the vibe slowly to start the vibrations and twist more to go faster. Remove batteries when not in use. Use toy cleaner or soap and water for all your cleaning needs and before and after every use.