Function: 10 Frequency VibrationColor: BlackPlug Size: 10.5 * 3.8 cm/4.14 * 1.50 inchRing Dia:3.5 cm/1.38 inch4.0 cm/1.58 inchNet Weight: 138 g/0.30 lb/4.87 ozPower: Lithium batteryMaterial: SiliconePackage: Color BoxFurther: Waterproof/WirelessPackage: 15 * 15 * 5 CM