Function: 10 Frequency VibrationColor: Black/Rose/PurpleVolume: 195 MLSize: 16 * 3 cm/6.3" * 1.2"Insert Size: 13.7 * 3 cm/5.4" * 1.2"Power: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof