You can control your partner's toy from anywhere in the world! With your smart-phone and free Vibratissimo app, you have endless possibilities. The only limit is your imagination! Vibratissimo is crafted in Europe with Medical Grade Silicone. All Vibratissimo toys are fully rechargeable and come with a 2 Year Warranty from Evolved. Control your partner’s toy anywhere in the world with the unique Vibratissimo app. Crafted in Europe with the unparalled materials. Create your own custom vibrations in our mix zone. One of a kind orgasm detector with our unique vaginal temperature gauge. The only limit is your imagination. DUO works with Kegel muscles for a tighter feel and stronger orgasms. Use the app to bring the vibration of the Duo alive. Vibratissimo APP allows you to kegel exercise and track your improvement. Made with Medical Grade silicone and soft touch ABS plastic. USB Rechargeable with over 8 hour life. Length 3.83 inches, width 1.40 inches. Weight 2.0 ounces.