Function: 9 Frequency Vibration Color: Rose/Black Size: 22.8 * 4.9 cm/8.9" * 1.9" Insert Length: 11.8 cm/4.6" Net Weight: 210 g/0.46 lb/7.4 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 25*9*5 CM