Function: 16+3 Frequency Vibration, Rotation Color: Black Size: 13.5 * 4 cm/5.3  * 1.5 inch Insert Length: 7.6 cm/3.0 inch Net Weight: 181 g/0.4 lb/6.3 oz Power: Lithium battery/650mAh Material: ABS + Silicone Package: Color Box Further: Waterproof/Rotation Package...