Function: 12 Frequency Vibration/TappingColor: PinkSize: 21.2 * 3.7 cm/8.3  * 1.45 inchInsert: 13.5 cm/5.3 inchNet Weight: 141 g/0.31 lb/4.9 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Tapping