Function: 2 Speeds 9 Frequency Vibration Color: Rose/Purple Size: 9.6 * 2.9 cm/3.8" * 1.1" Insert Length: 8.8 cm/3.4" Net Weight: 57 g/0.13 lb/2.0 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB...