It operated by 2 ？AA？ batteries power (not included). This toy is portable to carry over to anywhere and convenience to use at anytime. Vagina contact designed to fit any women. It gives users strong vibration feelings and touches. Clitoris contact gives users soft and gentle touches. It is flexible, so user can feel more sensually. Two buttons control vagina contact and clitoris contact properly. Each button powers the single-speed vibrations which are focused in the soft vaginal or clitoral vibrator. These soft touch buttons operate independently and this benefit gives users multi-sense feelings. We are manufacturing this toy for Japanese market. It is the best sex toy product in Japan. 5.25" long (vagina contact 3.5" long) Manufactured in Korea.