Function: 2 Speeds 9 Frequency Vibration Color: Rose/Purple Size: 9.1 * 6.4 cm/3.6" * 2.5" Insert Length: 8.5 cm/3.3" Net Weight: 86 g/0.19 lb/3.0 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB...