Function: Multispeeds Vibration Color: Black+ Pink/Purple/Silver/Golden Egg Length: 3.9 cm/1.5 Inches Egg Diameter: 2.2 cm/0.9 Inches Net Weight: 45 g/1.6 oz/0.1 lb Power: 2 AAA Material: ABS + PU Package: Color Box Further: Waterproof