Function: 2 Speeds 9 Frequency Vibration Color: Rose/Purple Size: 9.5 * 2.7 cm/3.7" * 1.1" Insert Length: 8.8 cm/3.5" Net Weight: 67 g/0.15 lb/2.4 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB...