Function: 10 Frequency VibrationColor: Black/PurpleSize: 19.6* 2.5 cm/7.7" * 0.99"Insert Length: 11 cm/4.3"Net Weight: 95 g/0.2 lb/3.4 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof, USB Recharge