Function: 2 Speeds 9 Frequency Vibration Color: Rose/Purple Size: 16.9 * 3.4 cm/6.6" * 1.3" Insert Length: 11.7 cm/4.6" Net Weight: 164 g/0.36 lb/5.8 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof,...