It has a perfect stimulation mode and its BPA free. It is ideal for easy suction and breast milk storage. It’s very easy to use and to travel with. It Is unique in nature,? enough to contain breast milk for your baby. It is a very high and standard quality when it comes to electric USB breast milk extract pump, it gives all you want with no disappointment on Dr. gym product. It makes the mother’s feel relax in their working places knowing full well that you are at the office and still breast feeds your baby very well. It stores enough for your baby. It has adjustable to increase or to decrease when extracting the milk. This is all you need as a working class Mom for assurance that your baby is not lacking. It will be a great joy to you as a mother seeing yourself working and breast feeding your baby at the same time. Its ideal for all mothers.