This is my first electric breastpump, recommended by the seller. In the beginning, I really didn’t like the pump’s feeling and unable to fully express the milk, but now I have fallen in love with it. It is easy to use, cheaper and power-saving (if I use a power bank, the power bank can last more than 2 weeks and able to pump 3 times per day. And my power bank is 10000mAH). I’m very happy with my Lacte Duet. And an excellent technical support and after sales services. Efficient to find out the cause and fixed my breastpump problem. Well done guys and thank you so much for fixing my breastpump in a very short time.