Function: 7 Strength 7 Frequency Vibration Color: Rose/Purple Size: 22 * 3.7 cm/8.7" * 1.5" Insert Length: 12 cm/4.7" Net Weight: 198 g/0.43 lb/7.0 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof