Function: 9 Frequency Vibration And KnockingColor: Rose/NavySize: 14 * 3.2 cm/5.5  * 1.3 inchNet Weight: 130 g/0.28 lb/4.58 ozPower: Lithium battery/3.7V/500 mAhMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/KnockingPackage Size: 16*13*4.5 CM