Function: 9 Frequency Vibration Color: Rose/Purple Size: 21.2 * 3.7 cm/8.3" * 1.5" Net Weight: 132 g/0.29 lb/4.7 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB Charging Package Size: 25x 9.15x 5.15cm