Function: 7 Frequency Vibration Head, 7 Frequency Rotation Tail Color: Rose/Purple Size: 23 * 4.2 cm/9.1" * 1.7" Insert Length: 17.4 cm/6.9" Noise sound:≤50dB Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof, Heating