Pretty love - hercules - vibrating cockring with double penetrationwith a smooth curve design to provide a more fulfilling sensation. this vibrating cock ring with 10 different functions ensures longer, firmer erections and delays ejaculation for prolonged satisfaction. the vibrating cock ring restricts blood flow to keep the penis engorged. the silicone will feel amazing during sex for both parties, as it keeps the penis harder for a longer period of time. the hercules gives you the opportunity to experiment with different pulses and speeds, each setting with the ability to bring you to a mind-blowing climax!  10 Vibration settingsmade of siliconewaterproofbattery: 1x aaa (not included)