What's the material of the dildo like? Is it very hard?
Silicone material,The material is soft.
Does the pants have adjustable? What's the maximum size suitable for women?
Yes,Waist circumference of pants (elastic style): 55 cm/22 inch-175 cm/69 inch
What is the vibration mode? How long does it take to charge? Can I charge it directly overnight?
It has 10 vibration modes. You can charge it for 5 - 6 hours.Yes,You can charge it directly overnight
Do I need to wash it before using it?
Yes,of course,You need to wash it with soap and then dry it before using it.
What should I do if there is a problem with the product?
If there is a problem with your product, please check the instruction manual to start the after - sales service.
