Environment friendly medical grade and body-safe silicone material. CE ,WEEE and ROHS certified. Ensure the comfort and to achieve the ideal pleasure. Stay Harder and Last Longer: Attach to the penis for the maximum comfort, keep erection harder and boost sexual endurance. Perfect Clitoral Stimulation: 6 vibration modes and ultra-strong motor stimulate clitoris perfectly during intercourse, dual function for male and female. Simultaneous Explosions: Not only can be used as vibrating penis ring, but also a mini g-spot massager. Suitable for couples flirting. USB Rechargeable: Quick charging and long-term usage give you steady stream of stimulation.