Function: 20 Modes VibrationColor: Black/Pink/Yellow/Green/BlueController Size: 8.7*2.2*3.3 cm/3.4"*0.87"*1.3"Egg Size: 7.5*3.3cm/2.9"*1.3"Power: 1 AAA + 2 AAANet Weight: 0.052kgMaterial: ABSPackage: Color Box In EnglishFurther: Waterproof, 5 Color For selectPackage Size: 12*10*3.5CM