Function: 20 Frequency Vibration Color: Pink/Purple/Blue Egg Size: 5.6 * 2.6 cm/2.2" * 1.0"   6.4 * 1.8 cm/2.5" * 0.7" Net Weight: 71 g/0.16 lb/2.5 oz Power: Lithium battery Material: ABS + PU Package: Color Box Further: Waterproof