Function: 10 Frequency VibrationColor: Black/GreenSize: 7.7 * 7.4 * 5.6 cm/3.0  * 2.9 * 2.2 inchNet Weight: 68 g/0.15 lb/2.4 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof