Function: 8 Frequency VibrationColor: Rose/Purple/Black/PinkController Size: 7.3 * 5.5 cm/2.9" * 2.2"Egg Size: 6.2 * 3.5 cm/2.4" * 1.4"Net Weight: 62 g/0.14 lb/2.2 ozPower: Lithium battery/Rechargeable + 2 AAAMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof, Wireless