How many modes does this vibrator have? This vibrator has 10 vibrations from Slow to fast, soft to wild to meet your different needs. How do I know if the product is fully charged? In the charging state, the indicator light flashes to indicate that the vibrator is charging(The charging port needs to be plugged in tightly), and the indicator light is always on to indicate that the charging is complete. ls this vibrator material soft and waterproof? This vibrator is designed splashproof and easy to clean with running water. It made from body-safe silicone, soft and silky to the touch bring safe and comfortable masturbation.