Function: 10 Frequency Vibration Color: Pink/Dark Blue Size: 13.5 * 4.2 cm/5.3" * 1.6" Insert Length: 12 cm/4.7" Net Weight: 254 g/0.56 lb/8.9 oz Power: Lithium battery Material: ABS + Silicone Package: OPP Bag Further: Waterproof/Wireless