The product descriptions 1.Material: 100% medical ABS, safety and health2.Waterproof: 100% waterproof you can use in anywhere you like For example: swimming pool, bathroom3.Size: 7.4 cm. Diameter:3.2cm.4.Remote control radius: within 5 meters5.Power supply: 3 X AAA battery not included 6.Colors:pink purple7. Motor: super mute motor8. Mode: multi-speed mode9.Weight: 90 gThe product features 1. Wireless remote control, can be used safely hidden2.multi speed vibration mode and vibration strongly3.Medical materials, health and safety, no peculiar smell 100%waterproof 4.The noise is low, soft voiceHow to start?1.Install the correct battery!(Notice: The Negative of AAA battery must convex and the correct electrode.) 2.Press on-off key to open the bullet.3.You can press the speed model key to adjust the models!4.Press 2on-off key to close the bullet!Package: 1 x Egg Vibrator (not including the battery)