Function: 2 Speeds 9 Frequency Vibration Color: Pink/Blue Size: 9.9 * 3.3 cm/3.9" * 1.3" Net Weight: 79 g/0.17 lb/2.8 oz Power: Lithium battery 3.7V/420mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB Magnetic Charging Package Size: 20x...