Function: 10 Frequency Vibration Color: BlackSize: 8.7 * 3.4 cm/3.4" * 1.3"Size: 18.5 * 4.0 cm/7.29 * 1.58 inchTail Size: 19.5 cm/7.68 inchNet Weight: 213 g/0.47 lb/7.51 ozPower: 2 AAAMaterial: SiliconePackage: OPP BagFurther: Non-toxic Material