Function: 9 Frequency VibrationColor: RedSize: 9.3 * 4.4 cm/3.66 * 1.73 inchRing Dia:3.4 cm/1.34 inchNet Weight: 67 g/0.15 lb/2.36 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 10 * 3.5 * 6.7 CM