Control your partner’s toy anywhere in the world with the unique Vibratissimo app. Create your own customer vibrations in our mix zone. Download and store your favorite custom vibrations to the toy, stores 4 at any given time. The only limit is your imagination. Vibrates with or without the app. Rechargeable with 8 hour life. Crafted in Europe with unparalleled materials. Waterproof. Requires 2 AAA batteries, not included. Length 5.14 inches, width 1.25 inches. Weight 3.1 ounces.