The brand is named WINYI. The vibrator is named Rock. It is WINYI who named this a rock. So you've got a WINYI Rock. This is a vibrating rock that has 10 styles of vibration, USB charging and works in a following way: On one side you have a normal G spot vibrator, on the other side you've got a rock its self that not just vibrates but also can move around your clitoris. This rock is a silicone, don't think it's an actual rock. It is ideal for the massage on other parts of your body as well, especially around and on the nipples for the initial prelude and wetness ❤︎
Material: Silicone+ABS