Function: 9 Frequency VibrationColor: Red/BlackSize: 6.9 * 1.9 cm/2.7" * 0.7"Net Weight: 93 g/0.2 lb/3.3 ozPower: Lithium battery/3.7V/140mAhMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 20x 7.15x 4.65cm