Function: 20 Frequency Vibration Color: Pink Egg Size: 5.6 * 2.6 cm/2.2" * 1.0"   6.2 * 2.8 cm/2.4" * 1.1" Net Weight: 87 g/0.19 lb/3.1 oz Power: Lithium battery Material: ABS + PU Package: Color Box Further: Waterproof