The double stimulation has already arrived with this double stimulator. Each vibrating egg is rechargeable and has 7 vibration functions. You can use it wherever you want and as you want, whether alone or with your partner, vaginal or anally, at home or int he street, your imagination is the limit. Its elongated shape facilitates extraction. It is totally waterproof, so why not try using it in the bathroom? It is designed in the USA with the highest quality standards. Features: 7 functions of vibration Rechargable Bendable Egg Measures: 3 cm; 3,2 cm