Function: 10 Frequency Vibration Color: Rose + Gray Size: 21 * 5.7 cm/8.2" * 2.2" Insert Length: 18.5 cm/7.2" Net Weight: 498.5 g/1.1 lb/17.5 oz Power: Lithium battery Material: ABS + Silicone Package: OPP Bag Further: Waterproof/Wireless