Function: 10 Frequency Vibration Color: Rose + Gray Size: 19 * 4.8 cm/7.4" * 1.8" Insert Length: 16.5 cm/6.5" Net Weight: 347 g/0.76 lb/12.2 oz Power: Lithium battery Material: ABS + Silicone Package: OPP Bag Further: Waterproof/Wireless