Function: 6 Strength 12 Frequency Vibration Color: White Size: 18.7 * 3.5 cm/7.4" * 1.4" Net Weight: 74 g/0.16 lb/2.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 20*3.5*4 CM