Function: Finger Vibrator With 12 Frequency Vibration,12 Mode Knocking Color: Red/Purple/Coral Size: 18.7 * 3.8 cm/7.3  * 1.5 inch Net Weight: 232 g/0.6 lb/9.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Knocking Package...