Main materials: medical silica gel Color: Black Vibration frequency: 9 vibration mode lithium battery:3.7V/420mAh Weight: 233 g Size: 139 mm * 65 mm * 58 mm Battery capacity: 9 vibration modes Charging time: 2 hours Working time: 0.5-1.5 hours Charging mode: Magnetic USB charging Maximum noise: <50 db Waterproof performance: IPX7
Features:
1.9 frequency strong vibration; 2. More stimulation. with mini tongue licking. squeezing feeling on both sides; 3. Easy to clean and carry; 4. Medical silicone.