Function: 10 Frequency VibrationColor: Yellow + WhiteSize: 13.3 * 4.8 cm/5.24 * 1.89 inchInsert Length:11.0 cm/4.33 inchNet Weight: 93 g/0.20 lb/3.28 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/USB ChargePackage: 14 * 5 * 5 CM