Function: 7 Frequency 3 Speeds VibrationColor: Red + FleshSize: 16 * 5.5 cm/6.2  * 2.1 inchInsert Length: 8 cm/3.1 inchNet Weight: 135 g/0.29 lb/4.7 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 18*7*5.5 CM