100% Brand New Function: 20 Speeds Vibrating Egg. Vibrator Lengh: 7.4cm.Diameter:3.2cm. Controler Lenght:4.1cm.Width:2.8cm. Power by: 2XAAA.Battery (not include) Material: ABS Resin. Further: Waterproof. Color:Pink,Black,Yellow,Blue,Green (Random). ? Extra distance wireless control! The latest wireless vibrator on the market,Remote and eggs all using AAA battery! The best wireless vibrator in the industry! Package Includes: 1* mp3 +? jump egg(without batteries) ? How to start? 1.Install the correct battery!(Notice:The battery cathode must convex and the correct electrode.)? Note there are " " and "-" on the top of egg when you insert batteries .do as per its directions 2.Press the right arrows to open the bullet. 3.You can press the right and left arrows to adjust the models! 4.Press 2 times the "HIGH" button to close the bullet!