Function: 2*9 Frequency Vibration Color: Rose/Purple Size: 11.1 * 3.0 cm/4.4" * 1.2" Net Weight: 98 g/0.22 lb/3.5 oz Power: Lithium battery/3.7V/240mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless Package Size: 17x 11.65x 5.15cm