Function: 10 Frequency VibrationColor: Pink/PurpleSize: 10.4 * 2.1 cm/4.10 * 0.83 inchNet Weight: 40 g/0.09 lb/1.41 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Liquid full-cover siliconePackage: 6.7 * 4.4 * 3.7 CM