Function: 3 Motors with 3 * 9 Frequency Vibration Color: Black Size: 12 * 6.1 * 3.5 cm/4.7  * 2.4 * 1.3 inch Net Weight: 80 g/0.17 lb/2.8 oz Power: Lithium battery/3.7V/280mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/3 Motors/Wireless Package...