Function: 21 Frequency VibrationColor: RoseSize: 14.4 * 4.0 cm/5.67 * 1.58 inchInsert Length:87.0 cm/34.28 inchNet Weight: 218 g/0.48 lb/7.69 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof