The vibrating OTO ring makes your erection more intense and resistant, has strong vibrations and can be used for solo or partner play.
You can use the ring downwards to stimulate the scrotum or upwards to stimulate the woman's clitoris during play.
OTO has 20 speeds from strong to gentle and is completely odorless and waterproof. The ring is made of silky soft silicone and has a perfect shape, you can play for up to two hours when fully charged.