Function: 10 Frequency Vibration Color: Rose + Gray Size: 24.5 * 4.5 cm/9.6" * 1.7" Insert Length: 18.5 cm/7.2" Net Weight: 532.5 g/1.1 lb/18.8 oz Power: Lithium battery Material: ABS + Silicone Package: OPP Bag Further: Waterproof/Wireless