"Novelty MP3 style remote control vibrating egg 20 patterns of vibrationPowered by 2 x AAA batteries (not included)  Ultra-silence advanced motorExtra distance wireless controlMini discreet size, convenient to take aroundThe best wireless vibrator in the industryMade from non-toxic safe material.Waterproof.How to start?Install the correct battery!(Notice:The battery cathode must convex and the correct electrode.)Press the right arrows to open the bullet.You can press the right and left arrows to adjust the models!Press 2 times the ""HIGH"" button to close the bullet! Package contents:1 * Vibrating Egg1 * Controller"