Ergonomic Design: It can fit the human body structure well and accurately stimulate your sensitive parts. Don’t worry about harm to your body. 9 Vibration Modes and Multi-stimulation: 9 kinds of vibration modes bring you a different feeling. Ergonomic design can stimulate your G-spot and clitoris at the same time. Multiple Lock: The cocking ring can prolong the erection time, enlarge the penis, and bring a different experience for you and your partner. Product Size and USB Charger: Perfect size and easy to carry. The USB charger is easy and convenient to use. Waterproof: IPX7 waterproof level ensures you have a wonderful time in wet places. For example, you can use it in the shower room, swimming pool, or seaside.