Function: 2 * 9 Frequency Vibration Color: Pink Size: 20.6 * 4.4 cm/8.1" * 1.7" Net Weight: 211 g/0.47 lb/7.4 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 25x 9.15x 5.15cm