1) Besides having the function of contraception while combined with condom, this vibrating ring also can boost the pleasure on lovemaking
2) Special dot touched female's sensitive G spot inside of clitoris which bring orgasm on lovemaking
3) This vibrating ring was designed with safe low direct current. Its frequency reaches to 10,500-11,000 times per minute which also saves energy for man
4) Battery can last for 25-30 or 40-60 minutes. It helps extending foreplay pleasure while lovemaking
5) Two different sizes can be fitted for Asian and Western male's organs-without any embarrassed problem