Function: 9 Frequency VibrationColor: BlackSize: 12.7 * 3.7 cm/5" * 1.5"Net Weight: 80 g/0.18 lb/2.8 ozPower: Lithium battery/3.7V/140mAhMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Wireless/Magnetic chargingPackage Size: 10x10.15x4.65cm