We-Vibe Sync O - GreenSync O is a new kind of C Shape vibrator for pleasure seekers looking for the perfect fit. The outer arm rests against the clitoris while the flexible O shaped inner arm fits comfortably in the vagina ensuring the vibes stay right where you want them. We Vibe's unique C shape innovation gives effortless, hands free stimulation that offers secure, delicious vibrations that both partners can enjoy. Two Year Warranty.