Function: 8 Frequency Vibration Color: Rose Egg Size: 6.3 * 3.3 cm/2.5" * 1.3" Controller Size: 5.3 * 7.2 * 2.7 cm/2.1" * 2.8" * 1.1" Power: Lithium battery + 2 AAA Material: ABS + Silicone Package: Color Box Further: Waterproof, Wireless